factorion

== English == === Etymology === From factorial +‎ -on, coined by Clifford A. Pickover. === 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. === Anagrams === ionocraft