Is 127009 a prime number?

127 009 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 127 009 is about 356.383.

Thus, the square root of 127 009 is not an integer, and therefore 127 009 is not a square number.

The square of a number (here 127 009) is the result of the product of this number (127 009) by itself (i.e., 127 009 × 127 009); the square of 127 009 is sometimes called "raising 127 009 to the power 2", or "127 009 squared".

The square of 127 009 is 16 131 286 081 because 127 009 × 127 009 = 127 009² = 16 131 286 081.

As a consequence, 127 009 is the square root of 16 131 286 081.

127 009 is a number with 6 digits.

The multiples of 127 009 are all integers evenly divisible by 127 009, that is all numbers such that the remainder of the division by 127 009 is zero. There are infinitely many multiples of 127 009. The smallest multiples of 127 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 127 009 too, since 0 × 127 009 = 0
• 127 009: indeed, 127 009 is a multiple of itself, since 127 009 is evenly divisible by 127 009 (we have 127 009 / 127 009 = 1, so the remainder of this division is indeed zero)
• 254 018: indeed, 254 018 = 127 009 × 2
• 381 027: indeed, 381 027 = 127 009 × 3
• 508 036: indeed, 508 036 = 127 009 × 4
• 635 045: indeed, 635 045 = 127 009 × 5
• etc.

• Preceding numbers: …127 007, 127 008
• Following numbers: 127 010, 127 011…

Nearest numbers from 127 009

• Preceding prime number: 126 989
• Following prime number: 127 031

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• 127 009 est-il un nombre premier ?