Is 20421 a prime number? What are the divisors of 20421?

## Parity of 20 421

20 421 is an odd number, because it is not evenly divisible by 2.

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## Is 20 421 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 20 421 is about 142.902.

Thus, the square root of 20 421 is not an integer, and therefore 20 421 is not a square number.

## What is the square number of 20 421?

The square of a number (here 20 421) is the result of the product of this number (20 421) by itself (i.e., 20 421 × 20 421); the square of 20 421 is sometimes called "raising 20 421 to the power 2", or "20 421 squared".

The square of 20 421 is 417 017 241 because 20 421 × 20 421 = 20 4212 = 417 017 241.

As a consequence, 20 421 is the square root of 417 017 241.

## Number of digits of 20 421

20 421 is a number with 5 digits.

## What are the multiples of 20 421?

The multiples of 20 421 are all integers evenly divisible by 20 421, that is all numbers such that the remainder of the division by 20 421 is zero. There are infinitely many multiples of 20 421. The smallest multiples of 20 421 are:

## Numbers near 20 421

### Nearest numbers from 20 421

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