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Data update

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Ingy döt Net 2024-03-06 22:25:12 -08:00
parent ed705008a8
commit 0df55f9f24
2196 changed files with 32999 additions and 3075 deletions
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Task/Ruth-Aaron-numbers/Mathematica/ruth-aaron-numbers.math Normal file
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SumPrimeDivisors[n_] := Total[First /@ FactorInteger[n]]
RuthAaron[n_] := SumPrimeDivisors[n] == SumPrimeDivisors[n + 1]
SumPrimeFactors[n_] :=
Total[First[#] * Last[#] & /@ FactorInteger[n]]
RuthAaronFactors[n_] :=
SumPrimeFactors[n] == SumPrimeFactors[n + 1]
RuthAaronSeq := Select[Range[100000], RuthAaron]
RuthAaronFactorSeq := Select[Range[100000], RuthAaronFactors]
Print["30 Ruth Aaron numbers:"]
Print[Take[RuthAaronSeq, 30]]
Print["\n30 Ruth Aaron factor numbers:"]
Print[Take[RuthAaronFactorSeq, 30]]