factorion
Noun
Meaning
factorion (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.
Noun
factorion (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.