factorion

English

Etymology

From factorial +‎ -on, 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

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