How find if a number is the sum of 2 perfect squares?
97984
Express as sum of powers
118538
Find all integers $x$ such that $x^2+3x+24$ is a perfect square.
39156
Concerning what is between two consecutive squares.
92106
Prove that $n$ is a sum of two squares?
38498
Find all primes $p$ such that $(2^{p-1}-1)/p$ is a perfect square
152643
$(xy + 1)(yz + 1)(zx + 1) $ is a perfect square if and only if each factor is
143540
How to prove this decomposition of sum of squares?
65581
$m$ is a perfect square iff $m$ has an odd number of divisors?
94060
Sum of square binomial coefficients
94019
Find all $p$'s such that $p^4 + p^3 + p^2 + p +1$ is a perfect square.
5692
Proving that there is a perfect square between $n$ and $2n$
101832
Proof that sum of first $n$ cubes is always a perfect square
38018
Arrangement of integers in a row such that the sum of every two adjacent numbers is a perfect square.
71591
Formula for completing the square?
89512
Finding two numbers given their sum and their product
38167
What do I do when two squares are equally valid?
127566
$2AB$ is a perfect square and $A+B$ is not a perfect square