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New posts in perfect-powers
When is $2^n \pm 1$ a perfect power
elementary-number-theory
perfect-powers
Is this a new method for finding powers?
elementary-number-theory
proof-verification
proof-writing
exponentiation
perfect-powers
To find all $n$ such that $(n-1)!+1$ is a perfect power of $n$
elementary-number-theory
diophantine-equations
factorial
perfect-powers
$\gcd(b^x - 1, b^y - 1, b^ z- 1,\dots) = b^{\gcd(x, y, z,\dots)} -1$ [duplicate]
elementary-number-theory
divisibility
gcd-and-lcm
perfect-powers
Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power
number-theory
graph-theory
exponentiation
perfect-powers
Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$
number-theory
rational-numbers
perfect-powers
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