New posts in Integers

Proving the area is irrational for triangle with integer vertices

Is (a/b)/c equal to a/(b*c) for integer division?

Sum of integer reciprocals

How to find all polynomials that map integers to integers?

What is a natural number?

$a^2+b=b^{1999}$ how many integer pairs $(a,b)$ are there that satisfy this equation.

Can sum of a rational number and its reciprocal be an integer?

Find all functions of positive integers for $f(f(n))=n+2$

When is this integer a perfect square: $n^2 + 20n + 12$

Square root of $2$ is irrational