PerfectNumberQ

Available

Test if a number is perfect (sum of proper divisors equals itself).

Forms

PerfectNumberQ[n]

Verified examplesPerfectNumberQ[6] → True

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Topics

Multiplicative Number Theory - Perfect Numbers
New In104 Alphabetical Listing - P
Summary Of New Features In141 - Functions Enhanced in Compiled Code
Summary Of New Features In141 - Functions Enhanced in Compiled Code

Related

PerfectNumber Divisors DivisorSigma MersennePrimeExponent MersennePrimeExponentQ PolygonalNumber HarmonicNumber AlternatingFactorial BellB BinCounts CompositeQ Cross

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