Is 231009 a prime number?

231 009 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 231 009 is about 480.634.

Thus, the square root of 231 009 is not an integer, and therefore 231 009 is not a square number.

The square of a number (here 231 009) is the result of the product of this number (231 009) by itself (i.e., 231 009 × 231 009); the square of 231 009 is sometimes called "raising 231 009 to the power 2", or "231 009 squared".

The square of 231 009 is 53 365 158 081 because 231 009 × 231 009 = 231 009² = 53 365 158 081.

As a consequence, 231 009 is the square root of 53 365 158 081.

231 009 is a number with 6 digits.

The multiples of 231 009 are all integers evenly divisible by 231 009, that is all numbers such that the remainder of the division by 231 009 is zero. There are infinitely many multiples of 231 009. The smallest multiples of 231 009 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 231 009 too, since 0 × 231 009 = 0
• 231 009: indeed, 231 009 is a multiple of itself, since 231 009 is evenly divisible by 231 009 (we have 231 009 / 231 009 = 1, so the remainder of this division is indeed zero)
• 462 018: indeed, 462 018 = 231 009 × 2
• 693 027: indeed, 693 027 = 231 009 × 3
• 924 036: indeed, 924 036 = 231 009 × 4
• 1 155 045: indeed, 1 155 045 = 231 009 × 5
• etc.

• Preceding numbers: …231 007, 231 008
• Following numbers: 231 010, 231 011…

Nearest numbers from 231 009

• Preceding prime number: 231 001
• Following prime number: 231 017

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• 231 009 est-il un nombre premier ?