Is 42039 a prime number?

42 039 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 42 039 is about 205.034.

Thus, the square root of 42 039 is not an integer, and therefore 42 039 is not a square number.

The square of a number (here 42 039) is the result of the product of this number (42 039) by itself (i.e., 42 039 × 42 039); the square of 42 039 is sometimes called "raising 42 039 to the power 2", or "42 039 squared".

The square of 42 039 is 1 767 277 521 because 42 039 × 42 039 = 42 039² = 1 767 277 521.

As a consequence, 42 039 is the square root of 1 767 277 521.

42 039 is a number with 5 digits.

The multiples of 42 039 are all integers evenly divisible by 42 039, that is all numbers such that the remainder of the division by 42 039 is zero. There are infinitely many multiples of 42 039. The smallest multiples of 42 039 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 039 too, since 0 × 42 039 = 0
• 42 039: indeed, 42 039 is a multiple of itself, since 42 039 is evenly divisible by 42 039 (we have 42 039 / 42 039 = 1, so the remainder of this division is indeed zero)
• 84 078: indeed, 84 078 = 42 039 × 2
• 126 117: indeed, 126 117 = 42 039 × 3
• 168 156: indeed, 168 156 = 42 039 × 4
• 210 195: indeed, 210 195 = 42 039 × 5
• etc.

• Preceding numbers: …42 037, 42 038
• Following numbers: 42 040, 42 041…

Nearest numbers from 42 039

• Preceding prime number: 42 023
• Following prime number: 42 043

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• 42 039 est-il un nombre premier ?