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247 BC Deaths
47, 47 or forty-seven may refer to: *47 (number) *47 BC *AD 47 *1947 * 2047 *'47 (brand), an American clothing brand * ''47'' (magazine), an American publication * 47 (song), a song by Sidhu Moose Wala *47, a song by New Found Glory from the album ''Not Without a Fight'' *"Forty Seven", a song by Karma to Burn from the album '' V'', 2011 * +47, the international calling code for Norway *4seven, a television channel *Agent 47, protagonist of the ''Hitman'' video game series *''47'', a young adult novel by Walter Mosley See also * List of highways numbered 47 * Channel 47 (other) * M47 (other), including "Model 47" (M47) * Forty-seven Ronin (other) * A47 (other) A47 may refer to: * Queen's Indian Defense, ''Encyclopaedia of Chess Openings'' code * Focke-Wulf A.47, a meteorological aircraft developed in Germany in 1931 ; roads * A47 road, a road connecting Birmingham and Lowestoft in England ... * Capital Steez {{number disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
47 (number)
47 (forty-seven) is the natural number following 46 (number), 46 and preceding 48 (number), 48. It is a prime number. In mathematics Forty-seven is the fifteenth prime number, a safe prime, the thirteenth supersingular prime (moonshine theory), supersingular prime, the fourth isolated prime, and the sixth Lucas prime. Forty-seven is a highly cototient number. It is an Eisenstein prime with no imaginary part and real part of the form . It is a Lucas number. It is also a Keith number because its digits appear as successive terms earlier in the series of Lucas numbers: 2, 1, 3, 4, 7, 11, 18, 29, 47, ... It is the number of Tree (graph theory), trees on 9 unlabeled nodes. Forty-seven is a strictly non-palindromic number. Its representation in binary being 101111, 47 is a prime Thabit number, and as such is related to the pair of amicable numbers . In science * 47 is the atomic number of silver. Astronomy * The 47-year cycle of Mars: after 47 years – 22 Synodic period, synodic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |