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Number Four (other)
Number Four may refer to: * 4 (number), a number, numeral, and glyph * A hamlet in the town of Watson, New York * #4, the pseudonym of American musician Jim Root, when performing with Slipknot * List of Earthworm Jim characters#Number Four, A character from the ''Earthworm Jim'' video games and animated series * Codename: Kids Next Door#Numbuh Four, Numbuh Four, a character from ''Codename: Kids Next Door'' * A predominantly defensive polo#Players, position in polo * Jean Béliveau (1931–2014), Canadiens hockey player, frequently known by his sweater number, number 4 * A character also known as Number Four (Battlestar Galactica), Simon in the reimagined ''Battlestar Galactica'' * A character in the 2011 film ''I Am Number Four (film), I Am Number Four'', based on the I Am Number Four, 2010 book of the same name * Number Four (single), "Number Four" (single), a 2013 single by My Chemical Romance * Number 4 (album), ''Number 4'' (album), also styled as ''#4'', a 2005 album by Ling To ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
4 (number)
4 (four) is a number, numeral (linguistics), numeral and numerical digit, digit. It is the natural number following 3 and preceding 5. It is the smallest semiprime and composite number, and is tetraphobia, considered unlucky in many East Asian cultures. In mathematics Four is the smallest composite number, its proper divisors being and . Four is the sum and product of two with itself: 2 + 2 = 4 = 2 x 2, the only number b such that a + a = b = a x a, which also makes four the smallest squared prime number p^. In Knuth's up-arrow notation, , and so forth, for any number of up arrows. By consequence, four is the only square one more than a prime number, specifically 3, three. The sum of the first four prime numbers 2, two + 3, three + 5, five + 7, seven is the only sum of four consecutive prime numbers that yields an Parity (mathematics), odd prime number, 17 (number), seventeen, which is the fourth super-prime. Four lies between the first proper pair of twin primes, 3, three and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
