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g(3)= 5, sf( 5) = s( 5!) = s(120) = 1+2+0 = 3 how 121 will come? someone please elaborate this.
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Project Euler #254: Sums of Digit Factorials
You are viewing a single comment's thread. Return to all comments →
g(3)= 5, sf( 5) = s( 5!) = s(120) = 1+2+0 = 3 how 121 will come? someone please elaborate this.