Is 20959 a prime number?

20 959 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 20 959 is about 144.772.

Thus, the square root of 20 959 is not an integer, and therefore 20 959 is not a square number.

Anyway, 20 959 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 20 959) is the result of the product of this number (20 959) by itself (i.e., 20 959 × 20 959); the square of 20 959 is sometimes called "raising 20 959 to the power 2", or "20 959 squared".

The square of 20 959 is 439 279 681 because 20 959 × 20 959 = 20 959² = 439 279 681.

As a consequence, 20 959 is the square root of 439 279 681.

20 959 is a number with 5 digits.

The multiples of 20 959 are all integers evenly divisible by 20 959, that is all numbers such that the remainder of the division by 20 959 is zero. There are infinitely many multiples of 20 959. The smallest multiples of 20 959 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 20 959 too, since 0 × 20 959 = 0
• 20 959: indeed, 20 959 is a multiple of itself, since 20 959 is evenly divisible by 20 959 (we have 20 959 / 20 959 = 1, so the remainder of this division is indeed zero)
• 41 918: indeed, 41 918 = 20 959 × 2
• 62 877: indeed, 62 877 = 20 959 × 3
• 83 836: indeed, 83 836 = 20 959 × 4
• 104 795: indeed, 104 795 = 20 959 × 5
• etc.

• Preceding numbers: …20 957, 20 958
• Following numbers: 20 960, 20 961…

Nearest numbers from 20 959

• Preceding prime number: 20 947
• Following prime number: 20 963

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• 20 959 est-il un nombre premier ?