The Number 231
October 27th, 2012Prime 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.
The 231 two-letter combinations of the 22 letters of the Hebrew Alphabet referred to as the 231 gates of Sefer Yetzirah.
Two hundred thirty-one is the exact number of cubic inches in a U.S. liquid gallon.
The Year 231 AD
In the year 231 AD Origen, disciple of Ammonius Saccas, founder of Neoplatonism , was exiled in Caesarea.