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G[42] = 344479; 42 = sf(344479) 42 = s(3! + 4! + 4! + 4! + 7! + 9!) 42 = s( 6 + 24 + 24 + 24 + 5040 + 362880) 42 = s(367998) 42 = 3 + 6 + 7 + 9 + 9 + 8
There are no number n smaller than 344479 which gives sf(n)=42.
n
344479
sf(n)=42
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Project Euler #254: Sums of Digit Factorials
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There are no number
nsmaller than344479which givessf(n)=42.