How many square numbers exist that have the length $N$ in the decimal system?
70376
What do you call the grouping of numbers based on the cardinality of digits in the square they produce?
33737
Does $1.0000000000\cdots 1$ with an infinite number of $0$ in it exist?
8034
Can $n!$ be a perfect square when $n$ is an integer greater than $1$?
143343
The series of reciprocals of the integers that do not contain 9 in their decimal representation
127446
How do we find a fraction with whose decimal expansion has a given repeating pattern?
45911
Prove that none of $\{11, 111, 1111,\dots \}$ is the perfect square of an integer
131108
Can $3p^4-3p^2+1$ be square number?
18932
Squares in arithmetic progression
99606
Prove or disprove there exists a set of four numbers out of the $48$ positive integers of which product is a perfect square
110383
How many numbers less than $m$ and relatively prime to $n$, where $m>n$?
46606
Can an integer of the form $4n+3$ written as a sum of two squares?
149481
Number theory counting sums of squares modulus
24954
Prove that there are infinitely many integers of the form $111\ldots111$ that are multiple of $n$.
37958
Derive a formula to find the number of trailing zeroes in $n!$
9092
What is special about square numbers here?
63895
What is the next perfect square of the form 14444... in decimal notation?
4221
Determining the number of bit strings of length n that contains no adjacent 0s