factorion
English
editEtymology
editFrom factor + -ion, coined by Clifford A. Pickover.
Noun
editfactorion (plural factorions)
- (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.