Is 200021 a prime number?

200 021 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 200 021 is about 447.237.

Thus, the square root of 200 021 is not an integer, and therefore 200 021 is not a square number.

The square of a number (here 200 021) is the result of the product of this number (200 021) by itself (i.e., 200 021 × 200 021); the square of 200 021 is sometimes called "raising 200 021 to the power 2", or "200 021 squared".

The square of 200 021 is 40 008 400 441 because 200 021 × 200 021 = 200 021² = 40 008 400 441.

As a consequence, 200 021 is the square root of 40 008 400 441.

200 021 is a number with 6 digits.

The multiples of 200 021 are all integers evenly divisible by 200 021, that is all numbers such that the remainder of the division by 200 021 is zero. There are infinitely many multiples of 200 021. The smallest multiples of 200 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 200 021 too, since 0 × 200 021 = 0
• 200 021: indeed, 200 021 is a multiple of itself, since 200 021 is evenly divisible by 200 021 (we have 200 021 / 200 021 = 1, so the remainder of this division is indeed zero)
• 400 042: indeed, 400 042 = 200 021 × 2
• 600 063: indeed, 600 063 = 200 021 × 3
• 800 084: indeed, 800 084 = 200 021 × 4
• 1 000 105: indeed, 1 000 105 = 200 021 × 5
• etc.

• Preceding numbers: …200 019, 200 020
• Following numbers: 200 022, 200 023…

Nearest numbers from 200 021

• Preceding prime number: 200 017
• Following prime number: 200 023

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• 200 021 est-il un nombre premier ?