Is 131009 a prime number?

131 009 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 131 009 is about 361.952.

Thus, the square root of 131 009 is not an integer, and therefore 131 009 is not a square number.

Anyway, 131 009 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 131 009) is the result of the product of this number (131 009) by itself (i.e., 131 009 × 131 009); the square of 131 009 is sometimes called "raising 131 009 to the power 2", or "131 009 squared".

The square of 131 009 is 17 163 358 081 because 131 009 × 131 009 = 131 009² = 17 163 358 081.

As a consequence, 131 009 is the square root of 17 163 358 081.

131 009 is a number with 6 digits.

The multiples of 131 009 are all integers evenly divisible by 131 009, that is all numbers such that the remainder of the division by 131 009 is zero. There are infinitely many multiples of 131 009. The smallest multiples of 131 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 131 009 too, since 0 × 131 009 = 0
• 131 009: indeed, 131 009 is a multiple of itself, since 131 009 is evenly divisible by 131 009 (we have 131 009 / 131 009 = 1, so the remainder of this division is indeed zero)
• 262 018: indeed, 262 018 = 131 009 × 2
• 393 027: indeed, 393 027 = 131 009 × 3
• 524 036: indeed, 524 036 = 131 009 × 4
• 655 045: indeed, 655 045 = 131 009 × 5
• etc.

• Preceding numbers: …131 007, 131 008
• Following numbers: 131 010, 131 011…

Nearest numbers from 131 009

• Preceding prime number: 130 987
• Following prime number: 131 011

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• 131 009 est-il un nombre premier ?