Reputation
14,094
Next privilege 15,000 Rep.
Protect questions
Badges
1 21 62
Impact
~281k people reached

1d
answered Longest known sequence of identical consecutive Collatz sequence lengths?
Apr
10
answered Given $\log 2$ and $\log 3$, compute $\log 120$
Apr
1
answered Find all solutions $a,\ b\in \mathbb{ N}$ to the equation $2^a = b^ 2 − 5$
Mar
27
answered Cesàro means of divergent series
Mar
16
answered Example for $\dfrac{p_1p_2-1}{p_1+p_2}$ being odd natural number .
Mar
15
answered Finding eigenvalues using triangulars
Mar
6
answered Is Collatz' conjecture the only stable solution of its type?
Mar
2
answered Understanding the Power Iterative Method to find eigenvalues
Feb
26
answered $n^2+n+1$ is not prime if $n$ is a perfect square $>1$
Feb
26
answered Proving $\frac{n^n}{e^{n-1}}<n!<\frac{(n+1)^{n+1}}{e^{n}}$ by induction for all $n> 2$.
Feb
25
answered If $a\leq (b + c)/2$ with $a,b,c>0$, why $a^2\leq (b^2 + c^2)/2$?
Feb
25
answered For which values of $a$, $b$ and $c$, if $a + b = c$, then $\frac{1}{a} + \frac{1}{b} = \frac{1}{c}$?
Feb
25
answered For which values of $a$, $b$ and $c$, if $a + b = c$, then $\frac{1}{a} + \frac{1}{b} = \frac{1}{c}$?
Feb
23
answered In the Collatz function, why does $2^k-1$ reach $3^k-1$ after $2k$ steps, and could it be used to find divergent trajectories?
Feb
22
answered Is anything known about the size of the smallest number with stopping time $n$
Feb
9
answered Repeated operations on $(a,b)$
Feb
2
answered Program to find closest function to fit arbitrary data
Feb
2
answered Improvement IMO 1988 $f(f(n))=n+1987$
Jan
28
answered Collatz conjecture: Largest number in sequence with starting number n
Jan
27
answered “Orthogonal” Rectangular Matrix