Numbers that are solutions to polynomials with coefficients that are rational numbers. Do $e$ and $\pi$ belong to this family?
105679
Can $\pi$ or $e$ be a root of a polynomial with algebraic coefficients?
94917
Prove that for every prime $p$, there exists a solution to $(x^2-2)(x^2-6)(x^2-3) \equiv 0 \mod(p)$
143054
Can you raise $\pi$ to a real power to make it rational?
107990
Does there exist an integer $x$ satisfying the following congruences?
45454
Pairs of $(p,q)$ such that $p^2 + 1 = 2 q^2$?
127945
Number of solutions to the congruence $x^q \equiv 1 \mod p$.
94700
Integer solutions for $x^3+2=y^2$?
132931
Determining the parity of the coefficients of a quadratic given that there is a rational solution
119991
Why Rational Root Theorem requires integer coefficient polynomials?
95105
Solutions in complex number field, instead of $\mathbb{N}$, to Fermat's Last Theorem
111898
Is $\{ (e^{2\pi i a n},e^{2\pi i b n }) : n \in \mathbb{Z} \}$ dense in the torus, where $a,b$ irrationals such that $a/b$ irrational?
158933
Rational solutions of $y^2 = x^3 - x$
8352
When is $\sin x$ an algebraic number and when is it non-algebraic?
121845
Quotient of polynomials, PID but not Euclidean domain?
116616
Could $X^3 + X + 1$ have a root in $E?$
19676
Is it known whether ${\sqrt{2}}^{\sqrt{2}}$ is irrational?
74827
Integer ordered pair of $(x,y)$ in complex algebraic equation