Seven Profile
"Seven" redirects here. For other uses, see Seven (disambiguation).
7
0 1 2 3 4 5 6 7 8 9 →
List of numbers — Integers
0 10 20 30 40 50 60 70 80 90 →
Arabic Numeral 7
Ordinal 7th seventh
Numeral system septenary
Factorization prime
Divisors 1, 7
Roman numeral VII
Roman numeral (Unicode) Ⅶ, ⅶ
Amharic ፯
Indian ٧
Bengali ৭
Chinese numeral 七，柒
Devanāgarī ७
Hebrew ז (Zayin)
Khmer ៧
Thai ๗
prefixes hepta-/hept- (from Greek) septua- (from Latin)
Binary 111
Octal 7
Duodecimal 7
Hexadecimal 7
Seven Days of Creation - 1765 book, title page
7 (seven) is the natural number following 6 and preceding 8.
Contents
1 In mathematics
1.1 In numeral systems 1.2 List of basic calculations
2 Evolution of the glyph 3 In science
3.1 Chemistry 3.2 Astronomy
4 In technology 5 In the classical world 6 In religion 7 In mythology 8 In psychology 9 In music 10 In television 11 In film 12 In literature 13 In video games 14 In sports 15 In other fields
15.1 Names and titles
16 Notes 18 References 19 External links
In mathematics
Seven is the 4th prime number. Seven is a Mersenne prime, since 2³ - 1 = 7. Seven is the fourth Mersenne prime exponent. Seven is the first Newman-Shanks-Williams prime. Seven is the third Lucas prime. Seven is the first Woodall prime. Seven is the second lucky prime. Seven is the second safe prime. Seven is the fourth factorial prime Seven is both a Carol number and a Kynea number. Seven is the only number less than 15 which cannot be represented as the sum of the squares of three integers. Seven is the fourth self number. Seven is the smallest happy number, except for the trivial example of 1.
999,999 divided by 7 is exactly 142,857. Therefore, when a vulgar fraction with 7 in the denominator is converted to a decimal expansion, the result has the same six-digit repeating sequence after the decimal point, but the sequence can start with any of those six digits. For example, 1/7 = 0.142 857 142.... and 2/7 = 0.285 714 285... A seven-sided shape is a heptagon. The regular n-gons for n ≤ 6 can be constructed by compass and straightedge alone, but the regular heptagon cannot. Figurate numbers representing heptagons (including seven) are called heptagonal numbers. Seven is also a centered hexagonal number. There are seven frieze groups, the groups consisting of symmetries of the plane whose group of translations is isomorphic to the group of integers. A group or a series of seven is a heptad. 7 is the only dimension, besides the familiar 3, in which a vector cross product can be defined 7 is the first natural number for which the next statement does not hold: "Two nilpotents endomorphisms from with the same minimal polynomial and the same rank are similar"
In numeral systems
Base Numeral system
2 binary 111
3 ternary 21
4 quaternary 13
5 quinary 12
6 senary 11
7 septenary 10
over 7 (octal, decimal, etc) 7
In quaternary, 7 is the smallest prime with a composite sum of digits. In the English language, 7 is the only 2-syllable natural, positive 1-digit number
List of basic calculations
Multiplication 1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25
50 100 1000
7 14 21 28 35 42 49 56 63 70
77 84 91 98 105 112 119 126 133 140
147 154 161 168 175
350 700 7000
Division 1 2 3 4 5 6 7 8 9 10
11 12 13 14 15
7 3.5
1.75 1.4
1 0.875
0.7
0.5
1
2
Exponentiation 1 2 3 4 5 6 7 8 9 10
11 12 13
7 49 343 2401 16807 117649 823543 5764801 40353607 282475249
1977326743 13841287201 96889010407
1 128 2187 16384 78125 279936 823543 2097152 4782969 10000000
19487171 35831808 62748517
Radix 1 5 10 15 20 25 30 40 50 60 70 80 90 100
110 120 130 140 150 200 250 500 1000 10000 100000 1000000
1 5
Evolution of the glyph
In the beginning, various Hindus wrote 7 more or less in one stroke as a curve that looks like an uppercase J upside down. The western Ghubar Arabs' main contribution was to make the longer line diagonal rather than straight, though they showed some tendencies to making the character more rectilinear. The eastern Arabs developed the character from a 6-look-alike into an uppercase V-look-alike. Both modern Arab forms influenced the European form, a two-stroke character consisting of a horizontal upper line joined at its right to a line going down to the bottom left corner, a line that is slightly curved in some font variants. As is the case with the European glyph, the Cham and Khmer glyph for 7 also evolved to look like their glyph for 1, though in a different way, so they were also concerned with making their 7 more different. For the Khmer this often involved adding a horizontal line above the glyph. This is analogous to the horizontal stroke through the middle that is sometimes used in handwriting in the Western world but which is almost never used in computer fonts. This horizontal stroke is, however, important to distinguish the glyph for seven from the glyph for one in writings that use a long upstroke in the glyph for one.
On the seven-segment displays of pocket calculators and digital watches, 7 is the number with the most common glyph variation (0, 6 and 9 also have variant glyphs). Most calculators use three line segments, but on Sharp, Casio, and a few other brands of calculators, 7 is written with four line segments. The reason is that in Japan & Korea 7 is written as ① in the illustration to the right. While the shape of the 7 character has an ascender in most modern typefaces, in typefaces with text figures the character usually has a descender, as, for example, in . Some people, especially in Eastern Europe and Latin America write 7 with a line in the middle and make the top line crooked
In science
The number of spots on a common ladybug. With very few exceptions, all mammals' necks have seven bones. ROY G. BIV = red, orange, yellow, green, blue, indigo, and violet were originally named as the seven colors of the rainbow, though blue and indigo are considered by some to be the same color.
Chemistry
The atomic number of nitrogen. The number of periods, or horizontal rows of elements, on the periodic table. The number of carbon atoms in heptane, a hydrocarbon. Halogens are found in group 7 of the periodic table.
Astronomy
The number of stellar objects in the solar system visible to the naked eye — the Sun, the Moon and the five classical naked eye planets: Mars, Mercury, Jupiter, Venus, and Saturn. Messier object M7, a magnitude 3.5 open cluster in the constellation Scorpius. The New General Catalogue object NGC 7, a 14th magnitude spiral galaxy in the constellation Sculptor. The number of daughters of Atlas in the Pleiades (also called the "seven sisters"). The number of saints appearing in a constellation called "Saptharishi Mandalam" in Indian astronomy. The number of stars in the constellation of The Big Dipper. The Saros number of the solar eclipse series which began on -2590 April 8 and ended on -1310 May 16. The duration of Saros series 7 was 1,280.1 years, and it contained 72 solar eclipses. The Saros number of the lunar eclipse series which began on -2595 July 15 and ended on -1008 February 22. The duration of Saros series 7 was 1,586.6 years, and it contained 89 lunar eclipses. The Roman numeral VII stands for white dwarfs in the Yerkes spectral classification scheme. The Roman numeral VII (usually) stands for the seventh-discovered satellite of a planet or minor planet (e.g., Jupiter VII).
In technology
The code for international direct dial phone calls to Russia and Kazakhstan. The number of digits in an American or Canadian telephone number, excluding the area code. The seven-segment display, is an electronic device that uses seven individual segments to create one digit; it is used in display devices like digital clocks and some basic calculator screens, amongst others. In Microsoft's Rich Text Format specification, seven and all numbers congruent to it modulo 256 refer to variants of the German language. Windows 7, the upcoming Microsoft operating system sometimes referred to as just "7". In the ASCII character set, the bell character. There are Seven Tools of Quality. There are seven layers in the OSI model. There are seven logic gates. NOT, AND, OR, NAND, XOR, NOR, XNOR
In the classical world In classical antiquity:
Seven against Thebes Seven hills of Rome Seven Liberal Arts Seven Sages Seven Wonders of the ancient world Seven emperors (and period; Rome, history):
Julius Caesar, Augustus, Galba, Hadrian, Nerva, Sallust, Vespasian
In religion
God rested on and sanctified the seventh day (Shabbat).
In Judaism:
A highly symbolic number in the Torah, alluding to the infusion of spirituality and Godliness into the Creation. For example:
God rested on and sanctified the seventh day (Sabbath). A seven-day purification period is required for one who has become tamei to become tahor. The Shemittah (Sabbatical) year arrives every seventh year. The Jubilee (Yovel) year comes after 7 times 7 years. The Counting of the Omer leading up to the Giving of the Torah is expressed as "7 times 7 weeks." Shiv`a (another pronunciation of the Hebrew word for 7 -- (Hebrew: שבעה ; "seven")), is the number of days of mourning. Hence, one sits Shiva. As in Shiva (Judaism)
The weekly Torah portion is divided into seven aliyahs, and seven men or boys over the age of 13 are called up for the reading of these aliyahs during Sabbath morning services. Seven blessings are recited under the chuppah during a Jewish wedding ceremony. A Jewish bride and groom are feted with seven days of festive meals after their wedding, known as Sheva Berachot ("Seven Blessings"). The number of Ushpizzin (also known as the "Seven Shepherds") who visit the sukkah during the holiday of Sukkot: Abraham, Isaac, Jacob, Joseph, Moses, Aaron, and David. The number of nations God told the Israelites they would displace when they entered the land of Israel (Deut. 7:1): the Hittite, the Girgashite, the Amorite, the Canaanite, the Perizzite, the Hivite, and the Jebusite. In Breslov tradition, the seven orifices of the face (2 eyes, 2 nostrils, 2 ears, and the mouth) are called "The Seven Candles." The menorah (Hebrew: מנורה), is a seven branched candelabrum lit by olive oil in the Tabernacle and the Temple in Jerusalem. The menorah is one of the oldest symbols of the Jewish people. It is said to symbolize the burning bush as seen by Moses on Mount Sinai (Exodus 25). The number of times Cain will be avenged by God if he is murdered (Gen 4:15). The Isrealites circled Jericho for 7 days and then the wall tumbled down.
In Christianity:
Yahweh or Jehovah is the divine name, whose letters' places alphabetically equal 70, a product of the divine number 7. The number of churches of Asia to which the "Book of Revelation" is addressed. The number of the Seven Virtues: Chastity, Moderation, Liberality, Charity, Meekness, Zeal, and Humility, corresponding to the seven deadly sins. The seven terraces of Mount Purgatory (one per deadly sin). The number of sacraments in the Roman Catholic faith. The number of heads of the three beasts 7*10*7+7*10*10+7*10=1260 of the Book of Revelation, and of some other monsters, like the hydra and the number of seals. In the New Testament, the Gospel of Matthew 18:21, Jesus says to Peter to forgive seventy times seven times. In Roman Catholicism, and some reformed traditions, the Blessed Virgin Mary has Seven Joys: The Incarnation, the Visitation, the Nativity, the Visit of the Magi, the Finding of Jesus in the Temple of Jerusalem, the Resurrection of Christ, and The Assumption of Mary into Heaven. In Roman Catholicism, and some reformed traditions, the Blessed Virgin Mary has Seven Sorrows: The Prophecy of Simeon, the Flight into Egypt, the Three Day Loss of the Christ Child in the Temple of Jerusalem, the Carrying of the Cross, the Crucifixion of Christ, the Pieta, and the Closing of the Holy Sepulchre. Seven Haily Marys are traditionally said for each. In the genealogy in the Gospel of Luke, Jesus is 77th in a direct line. Christ's seven last sayings.
In Islam:
The number of ayat in surat al-Fatiha. The number of heavens in Islamic tradition. The number of Earths in Islamic tradition. The number of circumambulations (Tawaf) that are made around the Kaaba The number of walks {Al-Safa and Al-Marwah) that is travelling back and forth seven times during the ritual pilgrimages of Hajj and Umrah.
Others:
The number of Archangels according to some systems. The minor symbol number of yang from the Taoist yin-yang. The number of palms in an Egyptian Sacred Cubit. The number of ranks in Mithraism. The number seven is of particular significance within Cherokee cosmology. In Buddhism, Buddha walked 7 steps at his birth.
In Hinduism:
The Sanskrit word 'sapta' refers to number seven. The Indian Music has 'sapta swaras', means seven octats (sa re ga ma pa dha ni), which are basics of music, using which hundreds of Ragas are composed. Celestial group of seven stars are named as 'Sapta Rishi' based on the seven great saints. Seven Promises, Seven Rounds in Hindu Wedding and Seven Reincarnation As per Hindu mythology, there are seven worlds in the universe, seven seas in the world and seven Rishies (seven gurus) called sapta rishis. seven hills at tirumala also known as ezhu malaiyan means Sevenhills god
In mythology
In Khasi mythology, the seven divine women who were left behind on earth and became the ancestresses of all humankind. The number of gateways traversed by Inanna during her descent into the underworld. The number of sleeping men in the Christian myth of the "Seven Sleepers." The Seven Sages in Sumerian mythology and various other mythologies. The number of sages in Hindu mythology; their wives are the goddesses referred to as the "Seven Mothers." The number of main islands of mythological Atlantis. In Guaraní mythology, the number of prominent legendary monsters. Seven Lucky Gods exist in Japanese mythology. In British Folk lore, every 7 years the Fairy Queen pays a tithe to Hell (or possibly Hel) in the tale of Tam Lin. In the British Folk tale of Thomas the Rhymer, he went to live in the faerie kingdom for 7 years.
In psychology
The Magical Number Seven, Plus or Minus Two is a 1956 paper by cognitive psychologist George A. Miller, who found a correlation between various human cognitive capacity limits within the range 7±2.
In music
"The Seventh Seal" by Van Halen Song by Prince Saosin (post-hardcore quintet) has a song called "Seven Years." The number of notes in the traditional Western Major Scale The original diameter in inches of the 45rpm format gramophone record. In music, the Roman numeral vii is the leading tone (vii°) or subtonic (VII) scale degree, chord, or diatonic function, when distinguished V = major and v = minor. The band S Club 7 The number of completed, numbered symphonies of Jean Sibelius and Sergei Prokofiev. A pop music singer in South Korea: SE7EN (singer). The "Unsquare Dance" by Dave Brubeck is in septuple meter--seven beats to a measure. There are seven musicians in a septet or a septuor. The stage name of musician Keith Volpone. The name of Jurassic 5 member Mark 7even. Several bands have the number 7 in their name, and several albums and songs have the number in their title. To give just a few examples: James (band) released a 1992 album titled "Seven", the band Avenged Sevenfold released an album in 1999 titled Sounding the Seventh Trumpet, in 1970, Shocking Blue released the song "Seven is a Number in Magic." 7 Shades of Black is a song on the Smashing Pumpkins album Zeitgeist, which made its release in 2007. Singer, songwriter, actor, and rapper Andre 3000 and Erykah Badu named his first child Seven. Christian band "Seventh day slumber" Tupac Shakur released The 7 Day Theory under the alias Makaveli in 1996. The first album after his death. A 2003 Atmosphere album is titled Seven's Travels, after an early alias of the group's MC, Slug 'Love Is the Seventh Wave' by Sting on his first solo album, Dream of the Blue Turtles. 'Love is Stronger Than Justice (The Munificent Seven)' by Sting on his fourth solo album, Ten Summoner's Tales, about seven brothers, the youngest of whom turns out to be the seventh son of a seventh son Iron Maiden's second #1 album was entitled Seventh son of a Seventh son Track 7 of the Necrophagist album Epitaph is entitled "Seven". Helloween has three albums with the name "Keeper of the Seven Keys". Symphony X has a song called "Seven" that is seven minutes long. The Army of the Pharaohs have a song titled "Seven" featuring 8 rappers. It is 6 minutes 14 seconds long. The Avenged Sevenfold song Beast and the Harlot makes a reference to seven, "There sat a seven headed beast, ten horns raised from his head."
In television
The name of one of the monsters in the cartoon television show Seven Little Monsters. Seven, an episodic character from the sitcom Married... with Children. In Star Trek: Voyager, Seven of Nine (also called Seven for short) is one of the crewmembers. In an episode of Seinfeld entitled "The Seven", the name George Costanza desired to give his first-born (with Susan Ross) is "Seven;" he later falsely claimed that he had promised this to the widow of baseball great Mickey Mantle, whose uniform number was 7. The name of a television show 7th Heaven. Seven Network, a television network in Australia. Maximum number of VHF broadcast channels available in any TV market in the United States of America; they are channels 2, 4, 5, 7, 9, 11, and 13 in the Greater New York City and Los Angeles-Long Beach SMSAs. In Stargate SG-1 and Stargate Atlantis, most gate addresses use 7 chevrons on the gate. Ultra Seven, a television series aired in 1967, and the superhero of the same name. He is the honorary seventh member of the Ultra Garrison. The name of a memorable The Adventures of Super Mario Bros. 3 cartoon, 7 Continents for 7 Koopas. In the anime series Fate/Stay Night and the Visual Novel of the same name, there are seven classes of servants: Saber, Archer, Lancer, Berserker, Rider, Assassin, and Caster. Blake's Seven was a BBC Science Fiction series that ran from 1978 to 1981, often without Blake, or seven members of the crew.
In film
The musical film Seven Brides for Seven Brothers. The Marilyn Monroe film The Seven Year Itch which is famous for the white dress blowing up. The movie Se7en, directed in 1995 by David Fincher and starring Brad Pitt and Morgan Freeman. The movie The Seventh Sign, directed in 1988 by Carl Schultz and starring Jürgen Prochnow and Demi Moore. James Bond's agent secret number is 007. In the Disney film Snow White and the Seven Dwarfs. The film Lucky number s7evin, directed in 2006 by Paul McGuigan. The film The Magnificent Seven starring Yul Brynner. The Japanese film Seven Samurai directed by Akira Kurosawa. The Swedish film The Seventh Seal directed by Ingmar Bergman. In 2001: A Space Odyssey (film), Dave Bowman encounters seven octahedra during his journey through the infinite. The film Seven Sinners 1940 directed by Tay Garnett, starring Marlene Dietrich The film Seven Years in Tibet (1997) directed by Jean-Jacques Annaud Seven triquils competed for box office revenue in Summer 2007: Spider-Man 3, Shrek the Third, Pirates of the Caribbean: At World's End, Ocean's Thirteen, Rush Hour 3, Resident Evil: Extinction, and The Bourne Ultimatum. The last of these, which set a record for the best August opening weekend ever, was the only one to out-gross its predecessors.
In literature
In The Lost Years of Merlin Trilogy, a book is titled, "The Seven Songs of Merlin" In the Harry Potter series of novels by J. K. Rowling, seven is said to be the most powerfully magical number. There are a number of references to seven in Harry Potter: There are a total of seven books in the series; Ginny Weasley is the seventh child and only daughter; Harry Potter was born in July, the seventh month of the year; Wizarding students must complete seven years of school at Hogwarts; Lord Voldemort splits his soul into seven parts which he believes ensures his immortality. Seven is also the number on the back of Harry Potter's Quidditch robes (Prisoner of Azkaban movie). In Quidditch each team consists of seven players. Chapter four of Book 7 is titled "The Seven Potters". In The Two Towers, the second volume of J. R. R. Tolkien's The Lord of the Rings, the following poem appears: "Tall ships and tall kings/Three times three/What brought they from the foundered land/Over the flowing sea?/Seven stars and seven stones/And one white tree." The "foundered land" is Númenor, and the "Seven Stars" are unknown, but they may refer to a constellation, the Sickle of the Valar. The Seven Stones are the palantíri, the seeing-stones. Also in The Lord of the Rings, the Dwarves were given seven rings. In The Silmarillion, also a Tolkien work, there are seven Lords of the Valar, and seven Ladies of the Valar; Fëanor, a central character, has seven sons: Maedhros, Maglor, Celegorm, Curufin, Caranthir, Amrod, and Amras. In Galician folklore, a seventh son will be a werewolf. In other folklores, after six daughters, the seventh child is to be a son and a werewolf. In other European folklores, the seventh son of a seventh son will be a child with special powers of healing and clairvoyant seeing. In Fist of the North Star (Hokuto no Ken), the main character, Kenshiro, is also known as "the man with seven wounds" for the seven scars on his body in the shape of the Big Dipper. Aleksis Kivi's "Seven Brothers", the most famous book of Finnish literature. Seven Pillars of Wisdom, a book written by T. E. Lawrence. The Secret Seven, name of a children's adventure book by Enid Blyton. The book Seven Years in Tibet. The anime Eureka Seven. The character 7 (Nana) and the organisation Septimal Moon in Loveless (manga). The Seven Habits of Highly Effective People, a book by Stephen Covey. Team 7 consists of the main characters in Naruto: Naruto Uzumaki, Sasuke Uchiha, Kakashi Hatake, and Sakura Haruno. In the One Piece series, the Shichibukai (literally, "Seven Military Seas", known in the English versions as the "Seven Warlords of the Sea") are seven powerful pirates who work for the government. In the Dragon Ball series, there are 7 Dragon Balls that can grant any wish. In the InuYasha series, the Shichinintai are, as their name says, a band of seven mercenaries. In the Nana series, there are many recurrent instances of the number seven ("nana" is the Japanese numeral for the English "seven"), including the name of both main characters. In George R. R. Martin's A Song of Ice and Fire, seven gods, the Mother, the Father, the Warrior, the Crone, the Smith, the Maiden, and the Stranger, are worshipped in the land of Westeros, which is made up of seven former kingdoms and often called the Seven Kingdoms. The Seven are the primary deities of Westeros. In The Dark Tower series by Stephen King there are 7 books. In The Wheel of Time series by Robert Jordan, there are 7 seals on the Dark One's prison. In Neil Gaiman's Sandman series, there are 7 Endless: Destiny, Death, Dream, Destruction, Despair, Desire and Delirium. The Saga of Seven Suns, a series of seven novels by Kevin J. Anderson. In George Orwell's Animal Farm, there are seven commandements, and the song " Beast of England" is sung seven times after the animals overthrow Mr. Jones.
In video games
7 is a number used many times by Bungie Studios in their Halo series and Marathon trilogy. 7 appears in a variety of different contexts, from the stories of the games to the raw game coding. One obvious example is the fact that there are seven Halo rings strewn throughout the galaxy. Final Fantasy VII has many instances of seven throughout the game and was even released (in North America) on the seventh day of September ("September" originally meant "seventh month") in 1997. In the Sonic the Hedgehog games, Sonic collects seven Chaos Emeralds which allow him to turn into Super Sonic. The number of individual personalities serving Harman Smith as part of the group of assassins called the Killer7, hence the title of the game. In Kingdom Hearts there are seven Princesses of Heart (Snow White, Cinderella, Alice, Aurora, Belle, Jasmine, and Kairi (the only original character among them)). Seven (VII) is also the number of the character Saïx, a member of the antagonists Organisation XIII from Kingdom Hearts II. In the Super Mario RPG/Paper Mario series of games, the collection of seven mystical items (predominantly stars, but also hearts in Super Paper Mario) is the main quest of the game. In The Legend of Zelda: Ocarina of Time, the main quest involves awakening the seven sages of seven elements to banish evil from the land of Hyrule. The number of Koopalings on Super Mario Bros. 3 and Super Mario World. It is also the number of worlds on Super Mario World, not counting the Star World or the Special course; and it is also the number of worlds on Super Mario Bros. 2. The 7 is a group of deadly mercenaries that kidnap the protagonist's family in the video game Kane & Lynch: Dead Men. In Final Fantasy X, there are seven main characters, each with a coresponding stellar naked eye celestial object which are used to unlock their most powerful weapons.
In sports
In Ultimate Frisbee, the number of players on the field for each team. In team handball, the number of players on each team including the goalkeeper. In rugby league, the scrum-half/halfback. In rugby union, the openside flanker. In American football, the number of players who, by rule, are lined up at the line of scrimmage. In scoring baseball, seven represents the left fielder's position. In baseball, the 7th Inning stretch attributed to the 27th US President, William Howard Taft. In high-school baseball a regulation game lasts seven innings. Seven Cycles, a bicycle manufacturer In the NHL, MLB, and NBA, the maximum number of games played in a playoff series. Rugby Sevens, a variant of rugby union and rugby league that contains only seven players per side instead of the standard 15 (union) or 13 (league). The Rugby World Cup Sevens, the World Cup for the union version of Sevens. The IRB Sevens World Series, also in the union version of Sevens. In the Harry Potter Series by J.K. Rowling, there are 7 players on a standard Quidditch team.
In other fields
International maritime signal flag for 7
Seven is the number of external holes in the human head: two eyes, two nostrils, one mouth, two ears. Seven is the smallest positive integer whose name in English is more than one syllable long. The Kulin people of Australia living near the Dandenong Ranges traditionally have seven seasons. Some of the Native Americans of Montana also have seven seasons: chinook season, muddy spring, green summer, gold summer (or dry summer), 'Indian' Summer, late fall, and cold winter. The United States Constitution, as drafted in Philadelphia in 1787, was composed of 7 Articles. The United States declared Independence in the 7th month of 1776.
7 playing cards of all four suits
In a standard deck of playing cards the 7 of Diamonds is the only diamond card that can be viewed as upside down when reversed. Lotto Super 7, a Canadian-lottery game
Seven is also:
The traditional number of Wonders of the Ancient World. There were seven, though only the Great Pyramid of Egypt still stands today. The figurative number of seas. The number of chakras. The number of basic principles of the bushido. The number of points on a sheriff's star. When rolling two standard six-sided dice, seven is the number most likely to occur. It is the sum of any two opposite sides on a standard six-sided die The Heptarchy, from the (Greek for seven realm, is the name applied by historians to the period (500-850 CE) in English history after the Anglo-Saxon conquest of England, derived from the seven kingdoms of Northumbria, Mercia, East Anglia, Essex, Kent, Sussex, and Wessex, which eventually merged to become the Kingdom of England during the early 10th century. September was the seventh month in the ancient Roman calendar, as its name indicates. After the reform that led to the current order, the seventh month is July. Septidi was the seventh day of the decade in the French Revolutionary Calendar. The traditional count of Basque provinces as expressed in the slogan Zazpiak Bat. Cibola was one of the legendary Seven Cities of Gold the Spanish thought existed. In casinos, the line 7-7-7 (triple seven, not seven hundred seventy-seven) is a common winning line on slot machines. septuplets is seven babies The letter T in l33t
Names and titles
Sevens, a card game. An agency of photojournalists founded by seven photographers. Canadian fashion photographer Sev Seven. California graffiti artist Seven
The Seven Virgins:
The Seven Virgins mountain range in Sri Lanka, which was the scene of an air disaster on December 4, 1974, involving a DC-8 Series 55F passenger jetliner operated by the charter company Martinair, which left 191 dead.
Seven of Nine, a crew member in the Star Trek universe.
In the Fushigi Yuugi series, the four beast gods each have seven warriors, the Genbu Seven, the Byakko Seven, the Seiryuu Seven, and the Suzaku Seven. In the Catalan culture, seven is present in a lot of popular stories like "Les set cabretes i el llop". Number 7 is a popular brand of Canadian cigarettes. "The Seven", also written: "The Se7en" is an exclusive grouping of dental surgeons. 7UP is the name of a popular soft drink. 7-Eleven is the trading name of a chain of convenience stores based in the U.S. Seven Jeans, also known as Seven '7' for all Mankind, a brand of designer jeans. 7 (New York City Subway service), a service of the New York City Subway 7-ip is the name of an Australian satellite and wireless technology start up The Ultra Series has two heroes with "Seven" in their name: Ultra Seven and Ultra Seven-21. SEVEN Networks is a US company producing mobile email software. The circle 7 logo used by numerous ABC network O&O stations in the United States. In a survey in England seven was discovered to be the most common lucky number in the 2000 people that were surveyed.
Notes
^ Georges Ifrah, The Universal History of Numbers: From Prehistory to the Invention of the Computer transl. David Bellos et al. London: The Harvill Press (1998): 395, Fig. 24.67
Septenary (numeral system) Septenary (Theosophy) Seven climes Year Seven (School) Ocorrências do Número Sete, Portuguese / Brasilian Wikipedia
References
Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 70 - 71
External links
Look up seven in Wiktionary, the free dictionary.
Seventy-seven things you need to know about 07 Septimalisation of units Septimal time Dictionary of numbers - tool for convert number to text
Top 5 Search Results
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