Is 43021 a prime number?

43 021 is an odd number, because it is not evenly divisible by 2.

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• 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 43 021 is about 207.415.

Thus, the square root of 43 021 is not an integer, and therefore 43 021 is not a square number.

The square of a number (here 43 021) is the result of the product of this number (43 021) by itself (i.e., 43 021 × 43 021); the square of 43 021 is sometimes called "raising 43 021 to the power 2", or "43 021 squared".

The square of 43 021 is 1 850 806 441 because 43 021 × 43 021 = 43 021² = 1 850 806 441.

As a consequence, 43 021 is the square root of 1 850 806 441.

43 021 is a number with 5 digits.

The multiples of 43 021 are all integers evenly divisible by 43 021, that is all numbers such that the remainder of the division by 43 021 is zero. There are infinitely many multiples of 43 021. The smallest multiples of 43 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 43 021 too, since 0 × 43 021 = 0
• 43 021: indeed, 43 021 is a multiple of itself, since 43 021 is evenly divisible by 43 021 (we have 43 021 / 43 021 = 1, so the remainder of this division is indeed zero)
• 86 042: indeed, 86 042 = 43 021 × 2
• 129 063: indeed, 129 063 = 43 021 × 3
• 172 084: indeed, 172 084 = 43 021 × 4
• 215 105: indeed, 215 105 = 43 021 × 5
• etc.

• Preceding numbers: …43 019, 43 020
• Following numbers: 43 022, 43 023…

Nearest numbers from 43 021

• Preceding prime number: 43 019
• Following prime number: 43 037

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• 43 021 est-il un nombre premier ?