Is 42018 a prime number?

42 018 is an even number, because it is evenly divisible by 2: 42 018 / 2 = 21 009.

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 42 018 is about 204.983.

Thus, the square root of 42 018 is not an integer, and therefore 42 018 is not a square number.

The square of a number (here 42 018) is the result of the product of this number (42 018) by itself (i.e., 42 018 × 42 018); the square of 42 018 is sometimes called "raising 42 018 to the power 2", or "42 018 squared".

The square of 42 018 is 1 765 512 324 because 42 018 × 42 018 = 42 018² = 1 765 512 324.

As a consequence, 42 018 is the square root of 1 765 512 324.

42 018 is a number with 5 digits.

The multiples of 42 018 are all integers evenly divisible by 42 018, that is all numbers such that the remainder of the division by 42 018 is zero. There are infinitely many multiples of 42 018. The smallest multiples of 42 018 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 018 too, since 0 × 42 018 = 0
• 42 018: indeed, 42 018 is a multiple of itself, since 42 018 is evenly divisible by 42 018 (we have 42 018 / 42 018 = 1, so the remainder of this division is indeed zero)
• 84 036: indeed, 84 036 = 42 018 × 2
• 126 054: indeed, 126 054 = 42 018 × 3
• 168 072: indeed, 168 072 = 42 018 × 4
• 210 090: indeed, 210 090 = 42 018 × 5
• etc.

• Preceding numbers: …42 016, 42 017
• Following numbers: 42 019, 42 020…

Nearest numbers from 42 018

• Preceding prime number: 42 017
• Following prime number: 42 019

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• 42 018 est-il un nombre premier ?