231 232 → Factorization 3 × 7 × 11 Binary 111001112 | Cardinal two hundred thirty-one Roman numeral CCXXXI | |
Ordinal 231st
(two hundred and thirty-first) |
231 (two hundred [and] thirty-one) is the natural number following 230 and preceding 232.
Contents
In mathematics
Two hundred [and] thirty-one 231 = 3·7·11, sphenic number, triangular number, hexagonal number, octahedral number, centered octahedral number, the number of integer partitions of 16, Mertens function returns 0, and is the number of cubic inches in a U.S. liquid gallon.
In chemistry
In other fields
231 is:
References
231 (number) Wikipedia(Text) CC BY-SA