Is $\sum_{p\text{ is a prime}}\frac{1}{p^{2}}$ known to be irrational/transcendental?
87596
Is $\sum_{p}\frac{1}{p^{2}}$ irrational?
44600
How can I prove: if $p $ is prime and $n>1$, then $ p^{\frac1n} $ is irrational?
118374
Is there a proof that $\pi$ is an irrational number?
92810
What is $\sum_{r=1}^\infty\frac{r+2}{2^{r+1}(r)(r+1)}$?
10882
irrationality of $\sqrt{2}^{\sqrt{2}}$.
75011
Primes of the form $n^2+1$ - hard?
67502
Sum of reciprocal prime numbers
92416
About a sum of Legendre symbols associated to an odd prime
75023
A finite sum of prime reciprocals
103376
Is $\sin(p \pi/q)$ necessarily an algebraic number?
48975
Transcendental numbers and irrationality measure
65300
Why is $\pi$ irrational?
64216
Is $0.1010010001000010000010000001 \ldots$ transcendental?
114280
Computing $\sum_{n=1}^∞\frac{1}{(n+1)(n+2)(n+3)....(n+p)}$
11069
Deciding whether $2^{\sqrt2}$ is irrational/transcendental
59391
$p,q,r$ primes, $\sqrt{p}+\sqrt{q}+\sqrt{r}$ is irrational.
52530
There exists a prime congruent to $m$ mod $p$