Is 2821 a prime number? What are the divisors of 2821?

## Parity of 2 821

2 821 is an odd number, because it is not evenly divisible by 2.

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## Is 2 821 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 2 821 is about 53.113.

Thus, the square root of 2 821 is not an integer, and therefore 2 821 is not a square number.

## What is the square number of 2 821?

The square of a number (here 2 821) is the result of the product of this number (2 821) by itself (i.e., 2 821 × 2 821); the square of 2 821 is sometimes called "raising 2 821 to the power 2", or "2 821 squared".

The square of 2 821 is 7 958 041 because 2 821 × 2 821 = 2 8212 = 7 958 041.

As a consequence, 2 821 is the square root of 7 958 041.

## Number of digits of 2 821

2 821 is a number with 4 digits.

## What are the multiples of 2 821?

The multiples of 2 821 are all integers evenly divisible by 2 821, that is all numbers such that the remainder of the division by 2 821 is zero. There are infinitely many multiples of 2 821. The smallest multiples of 2 821 are:

## Numbers near 2 821

### Nearest numbers from 2 821

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