Is 123729 a prime number?

123 729 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 123 729 is about 351.751.

Thus, the square root of 123 729 is not an integer, and therefore 123 729 is not a square number.

The square of a number (here 123 729) is the result of the product of this number (123 729) by itself (i.e., 123 729 × 123 729); the square of 123 729 is sometimes called "raising 123 729 to the power 2", or "123 729 squared".

The square of 123 729 is 15 308 865 441 because 123 729 × 123 729 = 123 729² = 15 308 865 441.

As a consequence, 123 729 is the square root of 15 308 865 441.

123 729 is a number with 6 digits.

The multiples of 123 729 are all integers evenly divisible by 123 729, that is all numbers such that the remainder of the division by 123 729 is zero. There are infinitely many multiples of 123 729. The smallest multiples of 123 729 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 729 too, since 0 × 123 729 = 0
• 123 729: indeed, 123 729 is a multiple of itself, since 123 729 is evenly divisible by 123 729 (we have 123 729 / 123 729 = 1, so the remainder of this division is indeed zero)
• 247 458: indeed, 247 458 = 123 729 × 2
• 371 187: indeed, 371 187 = 123 729 × 3
• 494 916: indeed, 494 916 = 123 729 × 4
• 618 645: indeed, 618 645 = 123 729 × 5
• etc.

• Preceding numbers: …123 727, 123 728
• Following numbers: 123 730, 123 731…

Nearest numbers from 123 729

• Preceding prime number: 123 727
• Following prime number: 123 731

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• 123 729 est-il un nombre premier ?