Is 999980 a prime number?

999 980 is an even number, because it is evenly divisible by 2: 999 980 / 2 = 499 990.

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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 999 980 is about 999.990.

Thus, the square root of 999 980 is not an integer, and therefore 999 980 is not a square number.

The square of a number (here 999 980) is the result of the product of this number (999 980) by itself (i.e., 999 980 × 999 980); the square of 999 980 is sometimes called "raising 999 980 to the power 2", or "999 980 squared".

The square of 999 980 is 999 960 000 400 because 999 980 × 999 980 = 999 980² = 999 960 000 400.

As a consequence, 999 980 is the square root of 999 960 000 400.

999 980 is a number with 6 digits.

The multiples of 999 980 are all integers evenly divisible by 999 980, that is all numbers such that the remainder of the division by 999 980 is zero. There are infinitely many multiples of 999 980. The smallest multiples of 999 980 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 999 980 too, since 0 × 999 980 = 0
• 999 980: indeed, 999 980 is a multiple of itself, since 999 980 is evenly divisible by 999 980 (we have 999 980 / 999 980 = 1, so the remainder of this division is indeed zero)
• 1 999 960: indeed, 1 999 960 = 999 980 × 2
• 2 999 940: indeed, 2 999 940 = 999 980 × 3
• 3 999 920: indeed, 3 999 920 = 999 980 × 4
• 4 999 900: indeed, 4 999 900 = 999 980 × 5
• etc.

• Preceding numbers: …999 978, 999 979
• Following numbers: 999 981, 999 982…

Nearest numbers from 999 980

• Preceding prime number: 999 979
• Following prime number: 999 983

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• 999 980 est-il un nombre premier ?