Is 20983 a prime number?

20 983 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 20 983 is about 144.855.

Thus, the square root of 20 983 is not an integer, and therefore 20 983 is not a square number.

Anyway, 20 983 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 20 983) is the result of the product of this number (20 983) by itself (i.e., 20 983 × 20 983); the square of 20 983 is sometimes called "raising 20 983 to the power 2", or "20 983 squared".

The square of 20 983 is 440 286 289 because 20 983 × 20 983 = 20 983² = 440 286 289.

As a consequence, 20 983 is the square root of 440 286 289.

20 983 is a number with 5 digits.

The multiples of 20 983 are all integers evenly divisible by 20 983, that is all numbers such that the remainder of the division by 20 983 is zero. There are infinitely many multiples of 20 983. The smallest multiples of 20 983 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 20 983 too, since 0 × 20 983 = 0
• 20 983: indeed, 20 983 is a multiple of itself, since 20 983 is evenly divisible by 20 983 (we have 20 983 / 20 983 = 1, so the remainder of this division is indeed zero)
• 41 966: indeed, 41 966 = 20 983 × 2
• 62 949: indeed, 62 949 = 20 983 × 3
• 83 932: indeed, 83 932 = 20 983 × 4
• 104 915: indeed, 104 915 = 20 983 × 5
• etc.

• Preceding numbers: …20 981, 20 982
• Following numbers: 20 984, 20 985…

Nearest numbers from 20 983

• Preceding prime number: 20 981
• Following prime number: 21 001

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• 20 983 est-il un nombre premier ?