Is 27999 a prime number?

27 999 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 27 999 is about 167.329.

Thus, the square root of 27 999 is not an integer, and therefore 27 999 is not a square number.

The square of a number (here 27 999) is the result of the product of this number (27 999) by itself (i.e., 27 999 × 27 999); the square of 27 999 is sometimes called "raising 27 999 to the power 2", or "27 999 squared".

The square of 27 999 is 783 944 001 because 27 999 × 27 999 = 27 999² = 783 944 001.

As a consequence, 27 999 is the square root of 783 944 001.

27 999 is a number with 5 digits.

The multiples of 27 999 are all integers evenly divisible by 27 999, that is all numbers such that the remainder of the division by 27 999 is zero. There are infinitely many multiples of 27 999. The smallest multiples of 27 999 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 27 999 too, since 0 × 27 999 = 0
• 27 999: indeed, 27 999 is a multiple of itself, since 27 999 is evenly divisible by 27 999 (we have 27 999 / 27 999 = 1, so the remainder of this division is indeed zero)
• 55 998: indeed, 55 998 = 27 999 × 2
• 83 997: indeed, 83 997 = 27 999 × 3
• 111 996: indeed, 111 996 = 27 999 × 4
• 139 995: indeed, 139 995 = 27 999 × 5
• etc.

• Preceding numbers: …27 997, 27 998
• Following numbers: 28 000, 28 001…

Nearest numbers from 27 999

• Preceding prime number: 27 997
• Following prime number: 28 001

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• 27 999 est-il un nombre premier ?