Is 18011 a prime number?

18 011 is an odd number, because it is not evenly divisible by 2.

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 18 011 is about 134.205.

Thus, the square root of 18 011 is not an integer, and therefore 18 011 is not a square number.

The square of a number (here 18 011) is the result of the product of this number (18 011) by itself (i.e., 18 011 × 18 011); the square of 18 011 is sometimes called "raising 18 011 to the power 2", or "18 011 squared".

The square of 18 011 is 324 396 121 because 18 011 × 18 011 = 18 011² = 324 396 121.

As a consequence, 18 011 is the square root of 324 396 121.

18 011 is a number with 5 digits.

The multiples of 18 011 are all integers evenly divisible by 18 011, that is all numbers such that the remainder of the division by 18 011 is zero. There are infinitely many multiples of 18 011. The smallest multiples of 18 011 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 18 011 too, since 0 × 18 011 = 0
• 18 011: indeed, 18 011 is a multiple of itself, since 18 011 is evenly divisible by 18 011 (we have 18 011 / 18 011 = 1, so the remainder of this division is indeed zero)
• 36 022: indeed, 36 022 = 18 011 × 2
• 54 033: indeed, 54 033 = 18 011 × 3
• 72 044: indeed, 72 044 = 18 011 × 4
• 90 055: indeed, 90 055 = 18 011 × 5
• etc.

• Preceding numbers: …18 009, 18 010
• Following numbers: 18 012, 18 013…

Nearest numbers from 18 011

• Preceding prime number: 17 989
• Following prime number: 18 013

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• 18 011 est-il un nombre premier ?