51 William Middlebrook
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51 William Middlebrook
51 may refer to: * 51 (number) * The year ** 51 BC ** AD 51 ** 1951 ** 2051 * ''51'' (film), a 2011 American horror film directed by Jason Connery * "Fifty-One "Fifty-One" is the fourth episode of the fifth season of the American television crime drama series ''Breaking Bad'', and the 50th overall episode of the series. Written by Sam Catlin and directed by Rian Johnson, it originally aired on AMC in th ...", an episode of the American television drama series ''Breaking Bad'' * ''51'' (album), a 2012 mixtape by rapper Kool A.D. * "Fifty One", a song by Karma to Burn from the album '' V'', 2011 {{Numberdis ...
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51 (number)
51 (fifty-one) is the natural number following 50 and preceding 52. In mathematics Fifty-one is * a pentagonal number as well as a centered pentagonal number and an 18-gonal number *the 6th Motzkin number, telling the number of ways to draw non-intersecting chords between any six points on a circle's boundary, no matter where the points may be located on the boundary. *a Perrin number., coming after 22, 29, 39 in the sequence (and the sum of the first two) * a Størmer number, since the greatest prime factor of 512 + 1 = 2602 is 1301, which is substantially more than 51 twice. *There are 51 different cyclic Gilbreath permutations on 10 elements, and therefore there are 51 different real periodic points of order 10 on the Mandelbrot set.. *Since 51 is the product of the distinct Fermat primes 3 and 17, a regular polygon with 51 sides is constructible with compass and straightedge, the angle is constructible, and the number cos is expressible in terms of square roots. In ot ...
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