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A factorion is an interesting kind of natural number that equals the sum of the factorials of its decimal digits [1]. 40585 is the largest known factorion and was discovered in 1964 by Leigh Janes [2]. #factorion #math #maths References -------------- [1] "Factorion", https://en.wikipedia.org/wiki/Factorion [2] "Mathematician:Leigh Janes", https://proofwiki.org/wiki/Mathematician:Leigh_Janes

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A factorion is an interesting kind of natural number that equals the sum of the factorials of its decimal digits [1]. 40585 is the largest known factorion and was discovered in 1964 by Leigh Janes [2]. #factorion #math #maths References -------------- [1] "Factorion", https://en.wikipedia.org/wiki/Factorion [2] "Mathematician:Leigh Janes", https://proofwiki.org/wiki/Mathematician:Leigh_Janes
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David Meyer (dmm@mathstodon.xyz)'s status on Friday, 15-Dec-2023 00:42:57 JST David Meyer

A factorion is an interesting kind of natural number that equals the sum of the factorials of its decimal digits [1,3].
40585 is the largest known factorion and was discovered in 1964 by Leigh Janes [2].
#factorion #math #maths #numbertheory
References
--------------
[1] "Factorion", https://en.wikipedia.org/wiki/Factorion
[2] "Mathematician:Leigh Janes", https://proofwiki.org/wiki/Mathematician:Leigh_Janes
[3] "Factorion", https://mathworld.wolfram.com/Factorion.html

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