factorion

English

Etymology

From factor +‎ -ion, coined by Clifford A. Pickover.

Noun

factorion (plural factorions)

1. (mathematics) A number that is equal to the sum of the factorials of its digits.

   145 is a factorion because 1! + 4! + 5! = 1 + 24 + 120 = 145.

Anagrams

• ionocraft