Algebra - Square of natural numbers
54554
If a product of relatively prime integers is an $n$th power, then each is an $n$th power
69875
Prove the commutativity property of addition of natural numbers by induction
129050
Find the number of non-zero squares in the field $Zp$
24601
Proving that a natural number made entirely of 6's and 0's is not a square.
46606
Can an integer of the form $4n+3$ written as a sum of two squares?
124890
Divisibility within a block of natural numbers
4194
Which integers can be expressed as a sum of squares of two coprime integers?
50615
Expressing a Non Negative Integer as Sums of Two Squares
111432
Square root of a number squared is equal to the absolute value of that number
79103
Check if a number is a perfect square
136933
Which $n$ can be expressed as $x^2 − y^2$?
41641
$(n-7)(n+7)=$ some perfect square
54355
$1+x+\ldots+x^n$ perfect square
58171
Two problems about Squarefree numbers
41052
The set of real numbers and power set of the natural numbers
16472
Sum of First $n$ Squares Equals $\frac{n(n+1)(2n+1)}{6}$
114258
Stuff which squares to $-1$ in the quaternions, thinking geometrically.