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- Superperfect_number abstract "In mathematics, a superperfect number is a positive integer n that satisfieswhere σ is the divisor function. Superperfect numbers are a generalization of perfect numbers. The term was coined by Suryanarayana (1969).The first few superperfect numbers are2, 4, 16, 64, 4096, 65536, 262144 (sequence A019279 in OEIS).If n is an even superperfect number then n must be a power of 2, 2k, such that 2k+1-1 is a Mersenne prime.It is not known whether there are any odd superperfect numbers. An odd superperfect number n would have to be a square number such that either n or σ(n) is divisible by at least three distinct primes. There are no odd superperfect numbers below 7x1024.".
- Superperfect_number wikiPageID "16911683".
- Superperfect_number wikiPageRevisionID "563280715".
- Superperfect_number hasPhotoCollection Superperfect_number.
- Superperfect_number title "Superperfect Number".
- Superperfect_number urlname "SuperperfectNumber".
- Superperfect_number subject Category:Divisor_function.
- Superperfect_number subject Category:Integer_sequences.
- Superperfect_number subject Category:Unsolved_problems_in_mathematics.
- Superperfect_number type Abstraction100002137.
- Superperfect_number type Arrangement107938773.
- Superperfect_number type Attribute100024264.
- Superperfect_number type Condition113920835.
- Superperfect_number type Difficulty114408086.
- Superperfect_number type Group100031264.
- Superperfect_number type IntegerSequences.
- Superperfect_number type Ordering108456993.
- Superperfect_number type Problem114410605.
- Superperfect_number type Sequence108459252.
- Superperfect_number type Series108457976.
- Superperfect_number type State100024720.
- Superperfect_number type UnsolvedProblemsInMathematics.
- Superperfect_number comment "In mathematics, a superperfect number is a positive integer n that satisfieswhere σ is the divisor function. Superperfect numbers are a generalization of perfect numbers. The term was coined by Suryanarayana (1969).The first few superperfect numbers are2, 4, 16, 64, 4096, 65536, 262144 (sequence A019279 in OEIS).If n is an even superperfect number then n must be a power of 2, 2k, such that 2k+1-1 is a Mersenne prime.It is not known whether there are any odd superperfect numbers.".
- Superperfect_number label "Superperfect number".
- Superperfect_number label "Superperfekte Zahl".
- Superperfect_number label "Суперсовершенное число".
- Superperfect_number label "超完全數".
- Superperfect_number sameAs Superperfekte_Zahl.
- Superperfect_number sameAs m.0411ysj.
- Superperfect_number sameAs Q1164125.
- Superperfect_number sameAs Q1164125.
- Superperfect_number sameAs Superperfect_number.
- Superperfect_number wasDerivedFrom Superperfect_number?oldid=563280715.
- Superperfect_number isPrimaryTopicOf Superperfect_number.