Is 990999 a prime number?

990 999 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 990 999 is about 995.489.

Thus, the square root of 990 999 is not an integer, and therefore 990 999 is not a square number.

The square of a number (here 990 999) is the result of the product of this number (990 999) by itself (i.e., 990 999 × 990 999); the square of 990 999 is sometimes called "raising 990 999 to the power 2", or "990 999 squared".

The square of 990 999 is 982 079 018 001 because 990 999 × 990 999 = 990 999² = 982 079 018 001.

As a consequence, 990 999 is the square root of 982 079 018 001.

990 999 is a number with 6 digits.

The multiples of 990 999 are all integers evenly divisible by 990 999, that is all numbers such that the remainder of the division by 990 999 is zero. There are infinitely many multiples of 990 999. The smallest multiples of 990 999 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 990 999 too, since 0 × 990 999 = 0
• 990 999: indeed, 990 999 is a multiple of itself, since 990 999 is evenly divisible by 990 999 (we have 990 999 / 990 999 = 1, so the remainder of this division is indeed zero)
• 1 981 998: indeed, 1 981 998 = 990 999 × 2
• 2 972 997: indeed, 2 972 997 = 990 999 × 3
• 3 963 996: indeed, 3 963 996 = 990 999 × 4
• 4 954 995: indeed, 4 954 995 = 990 999 × 5
• etc.

• Preceding numbers: …990 997, 990 998
• Following numbers: 991 000, 991 001…

Nearest numbers from 990 999

• Preceding prime number: 990 989
• Following prime number: 991 009