Integers with cubes ending $\ldots888$.
140939
Smallest Perfect Cube ending in 888
83837
Odd/Even Permutations
50748
A pyramid $ABCDS$ in which all edges have different lengths and $|AS|+|CS|=|BS|+|DS|$
68882
Path to Combinatorics Problem [$1.11$]
129693
An interesting problem with "decomposing" natural numbers.
103581
Which positive integers can NOT be written as a sum of consecutive positive integers
26878
Primes between consecutive cubes
155926
Prove there are k consecutive non-squarefree integers
153892
Number Theory divisibilty
92672
Number of elements which are cubes/higher powers in a finite field.
63774
If a and b are odd integers, then $8\mid (a^2-b^2)$
15187
Integer reciprocals in arithmetic progression
68172
Erdős-Straus conjecture
96457
$p$-Splittable Integers
47611
Integers and integer functions
60965
Representing a nonnegative integer as the ordered sum of odd numbers
27448
The Collatz conjecture algorithm applied to negative integers