Is 9980 a prime number?

9 980 is an even number, because it is evenly divisible by 2: 9 980 / 2 = 4 990.

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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 9 980 is about 99.900.

Thus, the square root of 9 980 is not an integer, and therefore 9 980 is not a square number.

The square of a number (here 9 980) is the result of the product of this number (9 980) by itself (i.e., 9 980 × 9 980); the square of 9 980 is sometimes called "raising 9 980 to the power 2", or "9 980 squared".

The square of 9 980 is 99 600 400 because 9 980 × 9 980 = 9 980² = 99 600 400.

As a consequence, 9 980 is the square root of 99 600 400.

9 980 is a number with 4 digits.

The multiples of 9 980 are all integers evenly divisible by 9 980, that is all numbers such that the remainder of the division by 9 980 is zero. There are infinitely many multiples of 9 980. The smallest multiples of 9 980 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 9 980 too, since 0 × 9 980 = 0
• 9 980: indeed, 9 980 is a multiple of itself, since 9 980 is evenly divisible by 9 980 (we have 9 980 / 9 980 = 1, so the remainder of this division is indeed zero)
• 19 960: indeed, 19 960 = 9 980 × 2
• 29 940: indeed, 29 940 = 9 980 × 3
• 39 920: indeed, 39 920 = 9 980 × 4
• 49 900: indeed, 49 900 = 9 980 × 5
• etc.

• Preceding numbers: …9 978, 9 979
• Following numbers: 9 981, 9 982…

Nearest numbers from 9 980

• Preceding prime number: 9 973
• Following prime number: 10 007

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• 9 980 est-il un nombre premier ?