Is 83721 a prime number?

83 721 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 83 721 is about 289.346.

Thus, the square root of 83 721 is not an integer, and therefore 83 721 is not a square number.

The square of a number (here 83 721) is the result of the product of this number (83 721) by itself (i.e., 83 721 × 83 721); the square of 83 721 is sometimes called "raising 83 721 to the power 2", or "83 721 squared".

The square of 83 721 is 7 009 205 841 because 83 721 × 83 721 = 83 721² = 7 009 205 841.

As a consequence, 83 721 is the square root of 7 009 205 841.

83 721 is a number with 5 digits.

The multiples of 83 721 are all integers evenly divisible by 83 721, that is all numbers such that the remainder of the division by 83 721 is zero. There are infinitely many multiples of 83 721. The smallest multiples of 83 721 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 83 721 too, since 0 × 83 721 = 0
• 83 721: indeed, 83 721 is a multiple of itself, since 83 721 is evenly divisible by 83 721 (we have 83 721 / 83 721 = 1, so the remainder of this division is indeed zero)
• 167 442: indeed, 167 442 = 83 721 × 2
• 251 163: indeed, 251 163 = 83 721 × 3
• 334 884: indeed, 334 884 = 83 721 × 4
• 418 605: indeed, 418 605 = 83 721 × 5
• etc.

• Preceding numbers: …83 719, 83 720
• Following numbers: 83 722, 83 723…

Nearest numbers from 83 721

• Preceding prime number: 83 719
• Following prime number: 83 737