Is 21997 a prime number? What are the divisors of 21997?

## Parity of 21 997

21 997 is an odd number, because it is not evenly divisible by 2.

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## Is 21 997 a perfect square number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 21 997 is about 148.314.

Thus, the square root of 21 997 is not an integer, and therefore 21 997 is not a square number.

Anyway, 21 997 is a prime number, and a prime number cannot be a perfect square.

## What is the square number of 21 997?

The square of a number (here 21 997) is the result of the product of this number (21 997) by itself (i.e., 21 997 × 21 997); the square of 21 997 is sometimes called "raising 21 997 to the power 2", or "21 997 squared".

The square of 21 997 is 483 868 009 because 21 997 × 21 997 = 21 9972 = 483 868 009.

As a consequence, 21 997 is the square root of 483 868 009.

## Number of digits of 21 997

21 997 is a number with 5 digits.

## What are the multiples of 21 997?

The multiples of 21 997 are all integers evenly divisible by 21 997, that is all numbers such that the remainder of the division by 21 997 is zero. There are infinitely many multiples of 21 997. The smallest multiples of 21 997 are:

## Numbers near 21 997

### Nearest numbers from 21 997

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