Is 999997 a prime number?

999 997 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 999 997 is about 999.998.

Thus, the square root of 999 997 is not an integer, and therefore 999 997 is not a square number.

The square of a number (here 999 997) is the result of the product of this number (999 997) by itself (i.e., 999 997 × 999 997); the square of 999 997 is sometimes called "raising 999 997 to the power 2", or "999 997 squared".

The square of 999 997 is 999 994 000 009 because 999 997 × 999 997 = 999 997² = 999 994 000 009.

As a consequence, 999 997 is the square root of 999 994 000 009.

999 997 is a number with 6 digits.

The multiples of 999 997 are all integers evenly divisible by 999 997, that is all numbers such that the remainder of the division by 999 997 is zero. There are infinitely many multiples of 999 997. The smallest multiples of 999 997 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 999 997 too, since 0 × 999 997 = 0
• 999 997: indeed, 999 997 is a multiple of itself, since 999 997 is evenly divisible by 999 997 (we have 999 997 / 999 997 = 1, so the remainder of this division is indeed zero)
• 1 999 994: indeed, 1 999 994 = 999 997 × 2
• 2 999 991: indeed, 2 999 991 = 999 997 × 3
• 3 999 988: indeed, 3 999 988 = 999 997 × 4
• 4 999 985: indeed, 4 999 985 = 999 997 × 5
• etc.

• Preceding numbers: …999 995, 999 996
• Following numbers: 999 998, 999 999…

Nearest numbers from 999 997

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

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• 999 997 est-il un nombre premier ?