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factorion
From Wiktionary, the free dictionary
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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
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