Is 11985 a prime number?

11 985 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 11 985 is about 109.476.

Thus, the square root of 11 985 is not an integer, and therefore 11 985 is not a square number.

The square of a number (here 11 985) is the result of the product of this number (11 985) by itself (i.e., 11 985 × 11 985); the square of 11 985 is sometimes called "raising 11 985 to the power 2", or "11 985 squared".

The square of 11 985 is 143 640 225 because 11 985 × 11 985 = 11 985² = 143 640 225.

As a consequence, 11 985 is the square root of 143 640 225.

11 985 is a number with 5 digits.

The multiples of 11 985 are all integers evenly divisible by 11 985, that is all numbers such that the remainder of the division by 11 985 is zero. There are infinitely many multiples of 11 985. The smallest multiples of 11 985 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 11 985 too, since 0 × 11 985 = 0
• 11 985: indeed, 11 985 is a multiple of itself, since 11 985 is evenly divisible by 11 985 (we have 11 985 / 11 985 = 1, so the remainder of this division is indeed zero)
• 23 970: indeed, 23 970 = 11 985 × 2
• 35 955: indeed, 35 955 = 11 985 × 3
• 47 940: indeed, 47 940 = 11 985 × 4
• 59 925: indeed, 59 925 = 11 985 × 5
• etc.

• Preceding numbers: …11 983, 11 984
• Following numbers: 11 986, 11 987…

Nearest numbers from 11 985

• Preceding prime number: 11 981
• Following prime number: 11 987

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• 11 985 est-il un nombre premier ?