Is 1621 a prime number? What are the divisors of 1621?

## Parity of 1 621

1 621 is an odd number, because it is not evenly divisible by 2.

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## Is 1 621 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 1 621 is about 40.262.

Thus, the square root of 1 621 is not an integer, and therefore 1 621 is not a square number.

Anyway, 1 621 is a prime number, and a prime number cannot be a perfect square.

## What is the square number of 1 621?

The square of a number (here 1 621) is the result of the product of this number (1 621) by itself (i.e., 1 621 × 1 621); the square of 1 621 is sometimes called "raising 1 621 to the power 2", or "1 621 squared".

The square of 1 621 is 2 627 641 because 1 621 × 1 621 = 1 6212 = 2 627 641.

As a consequence, 1 621 is the square root of 2 627 641.

## Number of digits of 1 621

1 621 is a number with 4 digits.

## What are the multiples of 1 621?

The multiples of 1 621 are all integers evenly divisible by 1 621, that is all numbers such that the remainder of the division by 1 621 is zero. There are infinitely many multiples of 1 621. The smallest multiples of 1 621 are:

## Numbers near 1 621

### Nearest numbers from 1 621

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