# Sums of Squares/Mistake/Second Edition

## Source Work

$\mathbf C$: Additive Number Theory
$\mathbf {C 20}$: Sums of Squares

## Mistake

Apart from $256$ examples, the largest of which is $1167$, every number can be expressed as the sum of at most five composite numbers.

## Correction

It should say:

Apart from $256$ examples, the largest of which is $1167$, every number can be expressed as the sum of at most five squares of composite numbers.