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156 (number)
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156 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
156 (one hundred [and] fifty-six) is the natural number, following 155 and preceding 157.
In mathematics
156 is an abundant number, a pronic number, a dodecagonal number,https://oeis.org/A051624 Sloane's A051624 : 12-gonal (or dodecagonal) numbers The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-05-28 and a refactorable number.
156 is the number of graphs on 6 unlabeled nodes.https://oeis.org/A000088 Sloane's A000088 : Number of graphs with n nodes The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2021-12-19
156 is a repdigit in base 5 (1111), and also in bases 25, 38, 51, 77, and 155.
156 degrees is the internal angle of a pentadecagon.
References
External links
The Number 156 https://web.archive.org/web/20201126213729/https://www.virtuescience.com/156.html 2020-11-26
156th Street (3rd Avenue El)
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Category:Integers