Is 130021 a prime number?

130 021 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 130 021 is about 360.584.

Thus, the square root of 130 021 is not an integer, and therefore 130 021 is not a square number.

Anyway, 130 021 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 130 021) is the result of the product of this number (130 021) by itself (i.e., 130 021 × 130 021); the square of 130 021 is sometimes called "raising 130 021 to the power 2", or "130 021 squared".

The square of 130 021 is 16 905 460 441 because 130 021 × 130 021 = 130 021² = 16 905 460 441.

As a consequence, 130 021 is the square root of 16 905 460 441.

130 021 is a number with 6 digits.

The multiples of 130 021 are all integers evenly divisible by 130 021, that is all numbers such that the remainder of the division by 130 021 is zero. There are infinitely many multiples of 130 021. The smallest multiples of 130 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 130 021 too, since 0 × 130 021 = 0
• 130 021: indeed, 130 021 is a multiple of itself, since 130 021 is evenly divisible by 130 021 (we have 130 021 / 130 021 = 1, so the remainder of this division is indeed zero)
• 260 042: indeed, 260 042 = 130 021 × 2
• 390 063: indeed, 390 063 = 130 021 × 3
• 520 084: indeed, 520 084 = 130 021 × 4
• 650 105: indeed, 650 105 = 130 021 × 5
• etc.

• Preceding numbers: …130 019, 130 020
• Following numbers: 130 022, 130 023…

Nearest numbers from 130 021

• Preceding prime number: 130 003
• Following prime number: 130 027

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• 130 021 est-il un nombre premier ?