How do i verify that $272727...2727$ ($100$ digits) can or cannot be written as a perfect square??
72761
Perfect square all 9's
131108
Can $3p^4-3p^2+1$ be square number?
131731
Primes that can't be written as sum of two squares. Mod
2899
Calculating a SQRT digit-by-digit?
31165
Is this workaround used by my book to find the value of $1/0$ legitimate?
146241
If $a \in \Bbb Z$ is the sum of two squares then $a$ can't be written in which of the following forms?
90952
Does every number not ending with zero have a multiple without zero digits at all?
20486
Numbers representable as $x^2 + 2y^2$
90032
Problem on Sum of Digits of a Number
109640
How do i find $(1+i)^{100}?$
63895
What is the next perfect square of the form 14444... in decimal notation?
50551
How do you validate that two math expressions are equal?
33737
Does $1.0000000000\cdots 1$ with an infinite number of $0$ in it exist?
58171
Two problems about Squarefree numbers
127560
Question about repeating decimal?
154082
Product of factorials divided by factorial to produce perfect square
112644
The product of two numbers that can be written as the sum of two squares