Is 82021 a prime number?

82 021 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 82 021 is about 286.393.

Thus, the square root of 82 021 is not an integer, and therefore 82 021 is not a square number.

Anyway, 82 021 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 82 021) is the result of the product of this number (82 021) by itself (i.e., 82 021 × 82 021); the square of 82 021 is sometimes called "raising 82 021 to the power 2", or "82 021 squared".

The square of 82 021 is 6 727 444 441 because 82 021 × 82 021 = 82 021² = 6 727 444 441.

As a consequence, 82 021 is the square root of 6 727 444 441.

82 021 is a number with 5 digits.

The multiples of 82 021 are all integers evenly divisible by 82 021, that is all numbers such that the remainder of the division by 82 021 is zero. There are infinitely many multiples of 82 021. The smallest multiples of 82 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 82 021 too, since 0 × 82 021 = 0
• 82 021: indeed, 82 021 is a multiple of itself, since 82 021 is evenly divisible by 82 021 (we have 82 021 / 82 021 = 1, so the remainder of this division is indeed zero)
• 164 042: indeed, 164 042 = 82 021 × 2
• 246 063: indeed, 246 063 = 82 021 × 3
• 328 084: indeed, 328 084 = 82 021 × 4
• 410 105: indeed, 410 105 = 82 021 × 5
• etc.

• Preceding numbers: …82 019, 82 020
• Following numbers: 82 022, 82 023…

Nearest numbers from 82 021

• Preceding prime number: 82 013
• Following prime number: 82 031

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2025 a prime number?
• Is 2026 a prime number?
• Is 8403 a prime number?

• Five thousand prime numbers

• Contact

• 82 021 est-il un nombre premier ?