Jaycob Coleman

Member for 11 years, 2 months
Last seen more than 4 years ago

Anchorage, AK

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nt.number-theory

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Who is attributed with the conjecture that every multiply-perfect number greater than $1$ is even?

Nov 28, 2013

3

Is anything like $\phi(n)>\dfrac n{e^\gamma\log\log n},\ \sigma(n)<e^\gamma n\log\log n$ known/conjectured for the generalizations of these functions?

Feb 27, 2015

2

Determine whether if $n$ is a primitive pseudoperfect (semiperfect) number, then $\sigma(n)<2^{\sigma_0(n)}$

Oct 18, 2013

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3

Interactions of number theoretic conjectures and other fields of mathematics

Nov 13, 2013

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nt.number-theory

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divisors-multiples

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+30

Is anything like $\phi(n)>\dfrac n{e^\gamma\log\log n},\ \sigma(n)<e^\gamma n\log\log n$ known/conjectured for the generalizations of these functions?

+50

Who is attributed with the conjecture that every multiply-perfect number greater than $1$ is even?

+20

Determine whether if $n$ is a primitive pseudoperfect (semiperfect) number, then $\sigma(n)<2^{\sigma_0(n)}$

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