Is 21200 a prime number?

21 200 is an even number, because it is evenly divisible by 2: 21 200 / 2 = 10 600.

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 21 200 is about 145.602.

Thus, the square root of 21 200 is not an integer, and therefore 21 200 is not a square number.

The square of a number (here 21 200) is the result of the product of this number (21 200) by itself (i.e., 21 200 × 21 200); the square of 21 200 is sometimes called "raising 21 200 to the power 2", or "21 200 squared".

The square of 21 200 is 449 440 000 because 21 200 × 21 200 = 21 200² = 449 440 000.

As a consequence, 21 200 is the square root of 449 440 000.

21 200 is a number with 5 digits.

The multiples of 21 200 are all integers evenly divisible by 21 200, that is all numbers such that the remainder of the division by 21 200 is zero. There are infinitely many multiples of 21 200. The smallest multiples of 21 200 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 21 200 too, since 0 × 21 200 = 0
• 21 200: indeed, 21 200 is a multiple of itself, since 21 200 is evenly divisible by 21 200 (we have 21 200 / 21 200 = 1, so the remainder of this division is indeed zero)
• 42 400: indeed, 42 400 = 21 200 × 2
• 63 600: indeed, 63 600 = 21 200 × 3
• 84 800: indeed, 84 800 = 21 200 × 4
• 106 000: indeed, 106 000 = 21 200 × 5
• etc.

• Preceding numbers: …21 198, 21 199
• Following numbers: 21 201, 21 202…

Nearest numbers from 21 200

• Preceding prime number: 21 193
• Following prime number: 21 211

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• 21 200 est-il un nombre premier ?