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Top Questions
14
votes
Where did this theorem appear?
nt.number-theory
reference-request
ho.history-overview
diophantine-equations
asked 2 days ago
mathoverflow.net
13
votes
Six consecutive positive integers with certain shape
nt.number-theory
diophantine-equations
integer-sequences
asked Mar 23, 2024 at 18:10
mathoverflow.net
9
votes
Binomial coefficients sum $\sum_{k=1}^{n} \frac{1}{k}\binom{2k}{k}$ when $n>1$, $p=2n+1$ is a prime
number-theory
elementary-number-theory
modular-arithmetic
binomial-coefficients
divisibility
asked Apr 25 at 18:34
math.stackexchange.com
6
votes
Elementary question about a biquadratic Diophantine equation
nt.number-theory
algebraic-number-theory
diophantine-equations
quadratic-residues
asked Jan 8 at 23:28
mathoverflow.net
6
votes
Find the smallest odd integer $n>1$ such that $\phi(\tau(n))=\tau(\phi(n))$
nt.number-theory
integer-sequences
arithmetic-functions
asked Jan 9 at 8:37
mathoverflow.net
Top Answers
6
Six consecutive positive integers with certain shape
mathoverflow.net
mathoverflow.net
math.stackexchange.com