What's so interesting about squared numbers? Lagrange's Four Square Theorem

Pick a number and try to express it as the sum of four squared numbers. Well, that is Lagrange's four square theorem.

Lagrange's Four-Square Theorem, PDF, Number Theory

Sum of Squares Function -- from Wolfram MathWorld

Lagrange's four-square theorem

Square number - Wikipedia

MathType on X: Lagrange's four-square theorem asserts that any positive whole number can be written as the sum of four squares of integers. Leave an example in the comments! #MathType #NumberTheory #math #

Geometry: Can you cut an integer square into 13 different squares? - Quora

MathType - Lagrange's four-square theorem states that every natural number can be represented as the sum of four integer squares. Proved by Joseph Louis #Lagrange in 1770, it can be regarded as

PDF) Two refinements of Lagrange's four-square theorem

PDF) Some variants of Lagrange's four squares theorem