RosettaCodeData/Task/Smith-numbers/Mathematica/smith-numbers.math

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2023-07-01 11:58:00 -04:00
smithQ[n_] := Not[PrimeQ[n]] &&
Total[IntegerDigits[n]] == Total[IntegerDigits /@ Flatten[ConstantArray @@@ FactorInteger[n]],2];
Select[Range[2, 10000], smithQ]