Lagrange's four-square theorem states that every positive integer can be written as the sum of at most four squares. [4][5] Four is one of four all-Harshad numbers. Each natural number …

Buy Now, Pay Later. Allow your shoppers to pay over time while you get paid today, risk free!

Buy Now, Pay Later. Allow your shoppers to pay over time while you get paid today, risk free!

Nov 4, 2025 · Buy Now, Pay Later. Allow your shoppers to pay over time while you get paid today, risk free!

The meaning of FOUR is a number that is one more than three. How to use four in a sentence.

FOUR definition: 1. the number 4: 2. a team of four people in rowing, or the boat that they use 3. in cricket, four…. Learn more.

the cardinal number that is the sum of three and one

In mathematics, the number four is an even number and the smallest composite number. Four is also the second square number after one. A small minority of people have four fingers on each …

Four definition: a cardinal number, three plus one.. See examples of FOUR used in a sentence.