factorion

名词 n.
中文释义

英文释义

名词 n.
  1. 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.

词形变化

factorions plural

词源

From factorial + -on, coined by Clifford A. Pickover.
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