Is 20431 a prime number?

20 431 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 20 431 is about 142.937.

Thus, the square root of 20 431 is not an integer, and therefore 20 431 is not a square number.

Anyway, 20 431 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 20 431) is the result of the product of this number (20 431) by itself (i.e., 20 431 × 20 431); the square of 20 431 is sometimes called "raising 20 431 to the power 2", or "20 431 squared".

The square of 20 431 is 417 425 761 because 20 431 × 20 431 = 20 431² = 417 425 761.

As a consequence, 20 431 is the square root of 417 425 761.

20 431 is a number with 5 digits.

The multiples of 20 431 are all integers evenly divisible by 20 431, that is all numbers such that the remainder of the division by 20 431 is zero. There are infinitely many multiples of 20 431. The smallest multiples of 20 431 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 20 431 too, since 0 × 20 431 = 0
• 20 431: indeed, 20 431 is a multiple of itself, since 20 431 is evenly divisible by 20 431 (we have 20 431 / 20 431 = 1, so the remainder of this division is indeed zero)
• 40 862: indeed, 40 862 = 20 431 × 2
• 61 293: indeed, 61 293 = 20 431 × 3
• 81 724: indeed, 81 724 = 20 431 × 4
• 102 155: indeed, 102 155 = 20 431 × 5
• etc.

• Preceding numbers: …20 429, 20 430
• Following numbers: 20 432, 20 433…

Nearest numbers from 20 431

• Preceding prime number: 20 411
• Following prime number: 20 441

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• 20 431 est-il un nombre premier ?