Skip to main content
Mathematics
lsr314's user avatar
lsr314's user avatar
lsr314's user avatar
lsr314
  • Member for 11 years, 4 months
  • Last seen more than a month ago
Profile Activity
Stats
15,866
reputation
185k
reached
54
answers
127
questions
Communities
About

I'm interested in number theory, especially in diophantine equations.

Badges
View all badges
5
gold badges
37
silver badges
90
bronze badges
Top tags
View all tags
270
Score
144
Posts
80
Posts %
122
Score
41
Posts
23
Posts %
81
Score
55
Posts
30
Posts %
24
Score
7
Posts
4
Posts %
19
Score
7
Posts
4
Posts %
7
Score
9
Posts
5
Posts %
Top posts
View all questions and answers
130
Can $x^{x^{x^x}}$ be a rational number?
Jun 27, 2013
48
Prove $n\mid \phi(2^n-1)$
Jun 15, 2013
40
Prove that $(1+x)^\frac{1}{x}+(1+\frac{1}{x})^x \leq 4$
Aug 30, 2018
39
Does the sum $\sum_{n=1}^{\infty}\frac{\tan n}{n^2}$ converge?
Aug 18, 2013
39
Are there infinite many $n\in\mathbb N$ such that $\pi(n)=\sum_{p\leq\sqrt n}p$?
Dec 23, 2013
35
Prove $7^{71}>75^{32}$
Mar 12, 2021
31
Find integer in the form: $\frac{a}{b+c} + \frac{b}{c+a} + \frac{c}{a+b}$
May 30, 2013
30
Does there exist two non-constant polynomials $f(x),g(x)\in\mathbb Z[x]$ such that for all integers $m,n$, gcd$(f(m),g(n))=1$?
Jul 10, 2014
29
On the parity of $\left\lfloor{\frac{3^n}{2^n}}\right\rfloor$
Mar 2, 2021
29
Find $a,b,c,d,e$ such that $\frac{s}a+1,\frac{s}b+1,\frac{s}c+1,\frac{s}d+1,\frac{s}e+1$ are all perfect squares $ (s=abcde)$
Jul 14, 2013
Top Meta posts
1
0
8
the relationship between the tags