Abundant, deficient and perfect number classifications: Difference between revisions
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The sign of the difference is negative for the abundant case - where the sum is greater than the number. And we rely on order being preserved in sequences (this happens to be a fundamental property of computer memory, also). |
The sign of the difference is negative for the abundant case - where the sum is greater than the number. And we rely on order being preserved in sequences (this happens to be a fundamental property of computer memory, also). |
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=={{header| |
=={{header|JavaScript}}== |
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<lang Javascript>for (var dpa=[1,0,0], n=2; n<=20000; n+=1) { |
<lang Javascript>for (var dpa=[1,0,0], n=2; n<=20000; n+=1) { |
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for (var ds=0, d=1, e=n/2+1; d<e; d+=1) if (n%d==0) ds+=d |
for (var ds=0, d=1, e=n/2+1; d<e; d+=1) if (n%d==0) ds+=d |
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