The Number 231
Prime Factors of 231 =3x7x11.
231 is a Triangular Number.
231 is a Hexagonal Number.
231 is an Octahedral Number.
231 is a 17-gonal Number.
231 is a 78-gonal Number.
231 is a Centered 23-gonal Number.
231 is the 22nd number which is the Product of 3 distinct primes.
231 is the triangle of 21 which is the triangle of 6 which is the triangle of 3 which is the triangle of 2. Thus, 231 , is a triangle of a triangle of a triangle.
16 can be Partitioned in 231 ways.
231 =7x33
The 231 two-letter combinations of the 22 letters of the Hebrew Alphabet refered to as the 231 gates of Sefer Yetzirah.
The Year 231 AD
In the year 231 AD ...
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