Is 27801 a prime number?

27 801 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 27 801 is about 166.736.

Thus, the square root of 27 801 is not an integer, and therefore 27 801 is not a square number.

The square of a number (here 27 801) is the result of the product of this number (27 801) by itself (i.e., 27 801 × 27 801); the square of 27 801 is sometimes called "raising 27 801 to the power 2", or "27 801 squared".

The square of 27 801 is 772 895 601 because 27 801 × 27 801 = 27 801² = 772 895 601.

As a consequence, 27 801 is the square root of 772 895 601.

27 801 is a number with 5 digits.

The multiples of 27 801 are all integers evenly divisible by 27 801, that is all numbers such that the remainder of the division by 27 801 is zero. There are infinitely many multiples of 27 801. The smallest multiples of 27 801 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 27 801 too, since 0 × 27 801 = 0
• 27 801: indeed, 27 801 is a multiple of itself, since 27 801 is evenly divisible by 27 801 (we have 27 801 / 27 801 = 1, so the remainder of this division is indeed zero)
• 55 602: indeed, 55 602 = 27 801 × 2
• 83 403: indeed, 83 403 = 27 801 × 3
• 111 204: indeed, 111 204 = 27 801 × 4
• 139 005: indeed, 139 005 = 27 801 × 5
• etc.

• Preceding numbers: …27 799, 27 800
• Following numbers: 27 802, 27 803…

Nearest numbers from 27 801

• Preceding prime number: 27 799
• Following prime number: 27 803

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• 27 801 est-il un nombre premier ?