$N$th root - real meaning when $N$ is not a decimal
37189
Exponent of a number is a square root?
66272
Is there a common notion of $\mathbb{R}^n$, for non-integer $n$?
13656
Prove existence of a real root.
16660
Prove that any positive number has an $n$th root
44802
The $n$ complex $n$th roots of a complex number $z$
143343
The series of reciprocals of the integers that do not contain 9 in their decimal representation
20696
How to check if an expression is a real-valued number
106716
The sum of square roots of non-perfect squares is never integer
30601
Number of $60$th primitive roots of $-1$
111569
Property of a polynomial with no positive real roots
120629
Prove if $n$ has a primitive root, then it has exactly $\phi(\phi(n))$ of them
96846
Decimal representation begins with $N$
27494
$P_n(x):=1+ \sum_{m=1}^n\dfrac{x^m}{m!}$ has no real root for even $n$ and exactly one real root for odd $n$
148535
Finding the "triangular root" of a number.
118244
An $n$th root inequality: $\sqrt[n]{n} < 1 + \sqrt{2/n}$
70576
Elementary proof that $\mathbb{R}^n$ is not homeomorphic to $\mathbb{R}^m$
54059
Showing that $\frac{z^n}{1+z^{2n}}$ is real for $|z|=1$.