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A094209
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Numbers n such that the sum of n's digits times the sum of the factorials of n's digits is equal to n.
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0
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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(4 + 4 + 1)*(4! + 4! + 1!) = 441.
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MATHEMATICA
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f[n_] := Plus @@ (Factorial /@ IntegerDigits[n])Plus @@ IntegerDigits[n]; Select[ Range[ 10^7], f[ # ] == # &] (* Robert G. Wilson v, May 29 2004 *)
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CROSSREFS
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KEYWORD
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base,nonn,fini,full
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AUTHOR
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STATUS
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approved
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