Is 130409 a prime number?

130 409 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 130 409 is about 361.122.

Thus, the square root of 130 409 is not an integer, and therefore 130 409 is not a square number.

Anyway, 130 409 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 130 409) is the result of the product of this number (130 409) by itself (i.e., 130 409 × 130 409); the square of 130 409 is sometimes called "raising 130 409 to the power 2", or "130 409 squared".

The square of 130 409 is 17 006 507 281 because 130 409 × 130 409 = 130 409² = 17 006 507 281.

As a consequence, 130 409 is the square root of 17 006 507 281.

130 409 is a number with 6 digits.

The multiples of 130 409 are all integers evenly divisible by 130 409, that is all numbers such that the remainder of the division by 130 409 is zero. There are infinitely many multiples of 130 409. The smallest multiples of 130 409 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 130 409 too, since 0 × 130 409 = 0
• 130 409: indeed, 130 409 is a multiple of itself, since 130 409 is evenly divisible by 130 409 (we have 130 409 / 130 409 = 1, so the remainder of this division is indeed zero)
• 260 818: indeed, 260 818 = 130 409 × 2
• 391 227: indeed, 391 227 = 130 409 × 3
• 521 636: indeed, 521 636 = 130 409 × 4
• 652 045: indeed, 652 045 = 130 409 × 5
• etc.

• Preceding numbers: …130 407, 130 408
• Following numbers: 130 410, 130 411…

Nearest numbers from 130 409

• Preceding prime number: 130 399
• Following prime number: 130 411

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• 130 409 est-il un nombre premier ?