Is 67021 a prime number?

67 021 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 67 021 is about 258.884.

Thus, the square root of 67 021 is not an integer, and therefore 67 021 is not a square number.

Anyway, 67 021 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 67 021) is the result of the product of this number (67 021) by itself (i.e., 67 021 × 67 021); the square of 67 021 is sometimes called "raising 67 021 to the power 2", or "67 021 squared".

The square of 67 021 is 4 491 814 441 because 67 021 × 67 021 = 67 021² = 4 491 814 441.

As a consequence, 67 021 is the square root of 4 491 814 441.

67 021 is a number with 5 digits.

The multiples of 67 021 are all integers evenly divisible by 67 021, that is all numbers such that the remainder of the division by 67 021 is zero. There are infinitely many multiples of 67 021. The smallest multiples of 67 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 67 021 too, since 0 × 67 021 = 0
• 67 021: indeed, 67 021 is a multiple of itself, since 67 021 is evenly divisible by 67 021 (we have 67 021 / 67 021 = 1, so the remainder of this division is indeed zero)
• 134 042: indeed, 134 042 = 67 021 × 2
• 201 063: indeed, 201 063 = 67 021 × 3
• 268 084: indeed, 268 084 = 67 021 × 4
• 335 105: indeed, 335 105 = 67 021 × 5
• etc.

• Preceding numbers: …67 019, 67 020
• Following numbers: 67 022, 67 023…

Nearest numbers from 67 021

• Preceding prime number: 67 003
• Following prime number: 67 033

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• 67 021 est-il un nombre premier ?