square number

American  

noun

1. a number that is the square of another integer, as 1 of 1, 4 of 2, 9 of 3, etc.

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square number British  

noun

1. an integer, such as 1, 4, 9, or 16, that is the square of an integer

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Etymology

Origin of square number

First recorded in 1550–60

Example Sentences

See Examples For:

square number

After all, it is neither a prime number nor a power of 2 nor a square number.

From Scientific American ● Mar. 3, 2023

And if the contents of any two of the boxes were united they would form a square number.

From Amusements in Mathematics by Dudeney, Henry Ernest

Every triangular number is such that if we multiply it by 8 and add 1 the result is an odd square number.

From Amusements in Mathematics by Dudeney, Henry Ernest

It will be found in either case that if the contents of any two of the three boxes be combined, they form a square number of coins.

From Amusements in Mathematics by Dudeney, Henry Ernest

The money paid in every case was a square number of shillings, because they bought 1 at 1s.,

From Amusements in Mathematics by Dudeney, Henry Ernest