Perfect square

An integer $n$ is said to be a perfect square if there is an integer $m$ so that $m^2=n$ . The first few perfect squares are 0, 1, 4, 9, 16, 25, 36.

The sum of the first $n$ square numbers (not including 0) is $\frac{n(n+1)(2n+1)}{6}$

This article is a stub. Help us out by expanding it.

Page

Toolbox

Search

Perfect square