Can a number written using one hundreds 0's, one hundred 1's and one hundred 2's be a perfect square?
114542
Can a number with $100$ $0$'s $100$ $1$'s and $100$ $2$'s ever be a perfect square?
34784
Is a number meeting these conditions divisible by forty-nine?
20486
Numbers representable as $x^2 + 2y^2$
98294
Can decimal numbers be considered "even" or "odd"?
68092
Does square difference prove that 1 = 2?
42706
How many $N$ digits binary numbers can be formed where $0$ is not repeated
127566
$2AB$ is a perfect square and $A+B$ is not a perfect square
129151
Why do computers only use 0 and 1?
59782
Are there any $n$ for which $ n^4+n^3+n^2+n+1$ is a perfect square?
100913
It is impossible for $(x-1)^2+x^2+(x+1)^2$ to be a perfect square
31478
Using bitwise OR 0 to floor a number
38018
Arrangement of integers in a row such that the sum of every two adjacent numbers is a perfect square.
113511
What's a good algorithm to determine if an input is a perfect square?
131108
Can $3p^4-3p^2+1$ be square number?
90952
Does every number not ending with zero have a multiple without zero digits at all?
112644
The product of two numbers that can be written as the sum of two squares
5692
Proving that there is a perfect square between $n$ and $2n$