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Perfect-numbers
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What is the computational complexity of a brute force perfect numbers finder algorithm?
August 1st, 2022
perfect-numbers
asymptotics
computer-science
computational-complexity
How to check for perfect numbers?
February 16th, 2020
elementary-number-theory
number-theory
perfect-numbers
closed-form
Product Perfect Numbers (Number Theory)
August 1st, 2022
number-theory
perfect-numbers
If no odd perfect numbers exist (or it is unknown that they do) then how can theorems and proofs exist for them?
February 11th, 2020
perfect-numbers
number-theory
Perfect numbers, the pattern continues
February 11th, 2020
number-theory
perfect-numbers
A problem dealing with even perfect numbers.
February 11th, 2020
perfect-numbers
elementary-number-theory
Sum of the reciprocals of divisors of a perfect number is $2$?
August 1st, 2022
arithmetic
perfect-numbers
elementary-number-theory
Prove that any power of a prime is not a perfect number
August 1st, 2022
elementary-number-theory
perfect-numbers
Proving that a number is perfect iff the sum of the reciprocal of its divisors is $1$
February 11th, 2020
elementary-number-theory
perfect-numbers
Prove that if $2^{p}-1$ is prime then $n=2^{p-1}(2^p-1)$ is a perfect number
August 1st, 2022
elementary-number-theory
perfect-numbers
discrete-mathematics
Super Perfect numbers
February 11th, 2020
prime-numbers
perfect-numbers
elementary-number-theory
Is this proof that there are no perfect, odd, integer square numbers legitimate?
August 1st, 2022
elementary-number-theory
perfect-numbers
proof-verification
If $n$ is an even perfect number $ n> 6$ show that the sum of its digits is $\equiv 1 (\bmod 9)$
February 11th, 2020
elementary-number-theory
perfect-numbers
Discussion on even and odd perfect numbers.
February 11th, 2020
number-theory
perfect-numbers
elementary-number-theory
Can an odd perfect number be divisible by $105$?
August 1st, 2022
perfect-numbers
elementary-number-theory
number-theory
If $N = q^k n^2$ is an odd perfect number and $n < q^{k+1}$, does it follow that $k > 1$?
August 1st, 2022
open-problem
solution-verification
perfect-numbers
elementary-number-theory
Could a square be a perfect number?
August 1st, 2022
elementary-number-theory
square-numbers
perfect-numbers
Can the cube of every perfect number be written as the sum of three cubes?
August 1st, 2022
perfect-numbers
number-theory
Applications of Perfect Numbers
August 1st, 2022
elementary-number-theory
perfect-numbers
applications
Can powers of primes be perfect numbers?
August 1st, 2022
prime-numbers
perfect-numbers
elementary-number-theory
proof-verification