Klangen's user avatar
Klangen's user avatar
Klangen's user avatar
Klangen
  • Member for 8 years, 1 month
  • Last seen more than a week ago
12 votes
Accepted

An interesting pattern in the differences between prime numbers.

9 votes

Relationship between prime factorizations of $n$ and $n+1$?

9 votes

What is the error in this fake proof which uses series to show that $1=0$?

6 votes

Why is $e^{1/e}$ close to $\frac{13}{9}$?

6 votes
Accepted

Finding $1/x^2 + 1/x^3 + 1/x^5 + \dots $

6 votes
Accepted

How did Euler disprove Mersenne's conjecture?

5 votes

Can this approximate closed form of Apery's constant $\zeta(3)$ be improved?

5 votes

What kind of functions cannot be described by the Taylor series? Why is this?

5 votes

Question about $e^{e^{e^e}}$

5 votes
Accepted

Where is my Collatz conjecture proof wrong?

5 votes
Accepted

Prove that $\prod\limits_{n= 2}^{\infty} \frac{n^{3}+ 1}{n^{3}- 1}= \frac{3}{2}$, which is a beautiful value!

4 votes
Accepted

A tower of irrationals?

4 votes

Analytic continuation of the prime zeta series

4 votes
Accepted

Finding an English version of Hjortnaes' paper on the series representation of $\zeta(3)$

4 votes
Accepted

Is Apéry's constant a rational multiple of $ \pi ^ 3$?

3 votes
Accepted

Is there a closed form for $\zeta(\pi)$?

3 votes

Where can I validate $300\ 000$ digit prime number is valid one?

3 votes
Accepted

Interesting phenomenon with the $\zeta(3)$ series

3 votes
Accepted

Why is Gelfond's constant transcendental?

3 votes
Accepted

Twin, cousin, sexy, ... primes

3 votes

Unsolved Problems due to Lack of Computational Power

3 votes

Consequences of Collatz Conjecture being true

2 votes

Convergence of alternating series with non decreasing terms

2 votes

How to solve this system of linear inequalities?

2 votes

There exists infinitely many primes formed of 2^(F[n!+1])-1

2 votes

Erdös said that math is not ready for the $3x+1$ problem. What is the reasoning for that?

2 votes

Does $\zeta(3)$ have a connection with $\pi$?

2 votes
Accepted

English translation of two papers by Polya on real zeros of Fourier transform approximation to Riemann $\xi$ function

2 votes

The approximation formula $\left|\alpha -\frac{p}{q}\right| \le \frac{1}{\sqrt{5}q^2}$

2 votes
Accepted

Why use natural logarithm 'e'?

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