Is 342021 a prime number?

342 021 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 342 021 is about 584.826.

Thus, the square root of 342 021 is not an integer, and therefore 342 021 is not a square number.

The square of a number (here 342 021) is the result of the product of this number (342 021) by itself (i.e., 342 021 × 342 021); the square of 342 021 is sometimes called "raising 342 021 to the power 2", or "342 021 squared".

The square of 342 021 is 116 978 364 441 because 342 021 × 342 021 = 342 021² = 116 978 364 441.

As a consequence, 342 021 is the square root of 116 978 364 441.

342 021 is a number with 6 digits.

The multiples of 342 021 are all integers evenly divisible by 342 021, that is all numbers such that the remainder of the division by 342 021 is zero. There are infinitely many multiples of 342 021. The smallest multiples of 342 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 342 021 too, since 0 × 342 021 = 0
• 342 021: indeed, 342 021 is a multiple of itself, since 342 021 is evenly divisible by 342 021 (we have 342 021 / 342 021 = 1, so the remainder of this division is indeed zero)
• 684 042: indeed, 684 042 = 342 021 × 2
• 1 026 063: indeed, 1 026 063 = 342 021 × 3
• 1 368 084: indeed, 1 368 084 = 342 021 × 4
• 1 710 105: indeed, 1 710 105 = 342 021 × 5
• etc.

• Preceding numbers: …342 019, 342 020
• Following numbers: 342 022, 342 023…

Nearest numbers from 342 021

• Preceding prime number: 341 993
• Following prime number: 342 037

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• 342 021 est-il un nombre premier ?