Is 4991 a prime number? What are the divisors of 4991?

## Is 4991 a prime number?

No, 4991 is not a prime number.

For example, 4991 can be divided by 7: 4991 / 7 = 713.

To be 4991 a prime number, it would have been required that 4991 has only two divisors, i.e., itself and 1.

## Parity of 4991

4991 is an odd number, because it is not evenly divisible by 2.

## Is 4991 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 4991 is about 70.647.

Thus, the square root of 4991 is not an integer, and therefore 4991 is not a square number.

## What is the square number of 4991?

The square of a number (here 4991) is the result of the product of this number (4991) by itself (i.e., 4991 × 4991); the square of 4991 is sometimes called "raising 4991 to the power 2", or "4991 squared".

The square of 4991 is 24 910 081 because 4991 × 4991 = 49912 = 24 910 081.

As a consequence, 4991 is the square root of 24 910 081.

## Number of digits of 4991

4991 is a number with 4 digits.

## What are the multiples of 4991?

The multiples of 4991 are all integers evenly divisible by 4991, that is all numbers such that the remainder of the division by 4991 is zero. There are infinitely many multiples of 4991. The smallest multiples of 4991 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 4991 too, since 0 × 4991 = 0
• 4991: indeed, 4991 is a multiple of itself, since 4991 is evenly divisible by 4991 (we have 4991 / 4991 = 1, so the remainder of this division is indeed zero)
• 9 982: indeed, 9 982 = 4991 × 2
• 14 973: indeed, 14 973 = 4991 × 3
• 19 964: indeed, 19 964 = 4991 × 4
• 24 955: indeed, 24 955 = 4991 × 5
• etc.

## Nearest numbers from 4991

Find out whether some integer is a prime number