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5700th Air Base Group
57 may refer to: * 57 (number) * one of the years 57 BC, AD 57, 1957, 2057 * 57 (song), "57" (song), a song by Biffy Clyro * "Fifty Seven", a song by Karma to Burn from the album ''Arch Stanton'', 2014 * 57 (album), "57" (album), a studio album by Klaus Major Heuser Band in 2014 * 57 Live (album), "57 Live" (album), a live double-album by Klaus Major Heuser Band in 2015 * Heinz 57 (varieties), a former advertising slogan * Maybach 57 and 62, Maybach 57, a car * American Base Hospital No. 57 * Swift Current 57's, baseball team in the Western Canadian Baseball League * FN Five-Seven, a semi-automatic pistol {{Numberdis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
57 (number)
57 (fifty-seven) is the natural number following 56 (number), 56 and preceding 58 (number), 58. In mathematics Fifty-seven is the sixteenth discrete semiprime, and the fourth discrete bi-prime pair with 58. It is a Blum integer since its two prime factors are both Gaussian primes. It is also an Polygonal number, icosagonal (20-gonal) number and a repdigit in base-7 (111). 57 is the fourth Leyland number, as it can be written in the form: :5^ + 2^ = 57 57 is the number of compositions of 10 into distinct parts. With an aliquot sum of 23, fifty-seven is the first composite member of the 23-aliquot tree. 57 is the seventh OEIS:A000957, fine number, equivalently the number of ordered rooted trees with ''seven'' Node (mathematics), nodes having root of even Degree (graph theory), degree. In geometry, there are: *57 Uniform star polyhedron, uniform star polyhedra in the third dimension, including four Kepler-Poinsot polyhedron, Kepler-Poinsot star polyhedra that are regular. *57 V ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |