Is 999989 a prime number?

999 989 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 999 989 is about 999.994.

Thus, the square root of 999 989 is not an integer, and therefore 999 989 is not a square number.

The square of a number (here 999 989) is the result of the product of this number (999 989) by itself (i.e., 999 989 × 999 989); the square of 999 989 is sometimes called "raising 999 989 to the power 2", or "999 989 squared".

The square of 999 989 is 999 978 000 121 because 999 989 × 999 989 = 999 989² = 999 978 000 121.

As a consequence, 999 989 is the square root of 999 978 000 121.

999 989 is a number with 6 digits.

The multiples of 999 989 are all integers evenly divisible by 999 989, that is all numbers such that the remainder of the division by 999 989 is zero. There are infinitely many multiples of 999 989. The smallest multiples of 999 989 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 999 989 too, since 0 × 999 989 = 0
• 999 989: indeed, 999 989 is a multiple of itself, since 999 989 is evenly divisible by 999 989 (we have 999 989 / 999 989 = 1, so the remainder of this division is indeed zero)
• 1 999 978: indeed, 1 999 978 = 999 989 × 2
• 2 999 967: indeed, 2 999 967 = 999 989 × 3
• 3 999 956: indeed, 3 999 956 = 999 989 × 4
• 4 999 945: indeed, 4 999 945 = 999 989 × 5
• etc.

• Preceding numbers: …999 987, 999 988
• Following numbers: 999 990, 999 991…

Nearest numbers from 999 989

• Preceding prime number: 999 983
• Following prime number: 1 000 003

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• 999 989 est-il un nombre premier ?