Is 82721 a prime number?

82 721 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even 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 82 721 is about 287.613.

Thus, the square root of 82 721 is not an integer, and therefore 82 721 is not a square number.

Anyway, 82 721 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 82 721) is the result of the product of this number (82 721) by itself (i.e., 82 721 × 82 721); the square of 82 721 is sometimes called "raising 82 721 to the power 2", or "82 721 squared".

The square of 82 721 is 6 842 763 841 because 82 721 × 82 721 = 82 721² = 6 842 763 841.

As a consequence, 82 721 is the square root of 6 842 763 841.

82 721 is a number with 5 digits.

The multiples of 82 721 are all integers evenly divisible by 82 721, that is all numbers such that the remainder of the division by 82 721 is zero. There are infinitely many multiples of 82 721. The smallest multiples of 82 721 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 82 721 too, since 0 × 82 721 = 0
• 82 721: indeed, 82 721 is a multiple of itself, since 82 721 is evenly divisible by 82 721 (we have 82 721 / 82 721 = 1, so the remainder of this division is indeed zero)
• 165 442: indeed, 165 442 = 82 721 × 2
• 248 163: indeed, 248 163 = 82 721 × 3
• 330 884: indeed, 330 884 = 82 721 × 4
• 413 605: indeed, 413 605 = 82 721 × 5
• etc.

• Preceding numbers: …82 719, 82 720
• Following numbers: 82 722, 82 723…

Nearest numbers from 82 721

• Preceding prime number: 82 699
• Following prime number: 82 723

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2024 a prime number?
• Is 2025 a prime number?
• Is 1006 a prime number?

• Five thousand prime numbers

• Contact

• 82 721 est-il un nombre premier ?