Sum of digits of perfect square
72437
Sum of the digits of a perfect square
72666
Prime Numbers And Perfect Squares
94060
Sum of square binomial coefficients
118538
Find all integers $x$ such that $x^2+3x+24$ is a perfect square.
13677
Sum of digits of repunits
71591
Formula for completing the square?
44790
Find $n$ for which $\frac{n(n+1)}{2}$ is perfect square
46606
Can an integer of the form $4n+3$ written as a sum of two squares?
113511
What's a good algorithm to determine if an input is a perfect square?
55053
smallest number for given sum of digits
50128
Efficiently finding two squares which sum to a prime
107781
Detecting perfect squares faster than by extracting square root
18402
Sum of the reciprocals of divisors of a perfect number is $2$?
154082
Product of factorials divided by factorial to produce perfect square
152754
When is the sum of divisors a perfect square?
84220
Questions on perfect squares
135458
When is a sum of consecutive squares equal to a square?