Solution for $2^n = 12k$
9302
Questions about Divisibility of $2^n$ by $3$
79241
Solve $10^x+11^x+12^x = 13^x+14^x$
40063
$x^2+y^2=z^n$: Find solutions without Pythagoras!
103840
Calculate $\sum_{k=1}^n k2^{n-k}$
150085
Solutions to the diophantine equation: $2a^2 + 2b^2- c^2- d^2 = 0$
15897
Solve a congruence $1978^{20}\equiv x\pmod{125}$
94700
Integer solutions for $x^3+2=y^2$?
106271
Solutions of Diophantine equations in Natural numbers
144025
Number of Solutions in this Number Puzzle
148442
Show that the sum $\sum_{k = 0}^n 2^k \binom{n}{k}$ is equal to $3^n$
99868
Sum(Partition(Binary String)) = $2^k$
83909
Is $2^{2n} = O(2^n)$?
53503
Solving the diophantine equation $y^{2}=x^{3}-2$
107448
proving that there is no solution for $n$ in positive integers except $n = 1$ for $2^n = nk + 1$
14783
A Number Theory problem (GCD)
63487
Lograthmic equation $ \frac {1}{\log_2(x-2)^2} + \frac{1}{\log_2(x+2) ^2} =\frac5{12}$ solutions
96647
Number theory: Problem involving rational numbers