Is 321998 a prime number?

321 998 is an even number, because it is evenly divisible by 2: 321 998 / 2 = 160 999.

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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 321 998 is about 567.449.

Thus, the square root of 321 998 is not an integer, and therefore 321 998 is not a square number.

The square of a number (here 321 998) is the result of the product of this number (321 998) by itself (i.e., 321 998 × 321 998); the square of 321 998 is sometimes called "raising 321 998 to the power 2", or "321 998 squared".

The square of 321 998 is 103 682 712 004 because 321 998 × 321 998 = 321 998² = 103 682 712 004.

As a consequence, 321 998 is the square root of 103 682 712 004.

321 998 is a number with 6 digits.

The multiples of 321 998 are all integers evenly divisible by 321 998, that is all numbers such that the remainder of the division by 321 998 is zero. There are infinitely many multiples of 321 998. The smallest multiples of 321 998 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 321 998 too, since 0 × 321 998 = 0
• 321 998: indeed, 321 998 is a multiple of itself, since 321 998 is evenly divisible by 321 998 (we have 321 998 / 321 998 = 1, so the remainder of this division is indeed zero)
• 643 996: indeed, 643 996 = 321 998 × 2
• 965 994: indeed, 965 994 = 321 998 × 3
• 1 287 992: indeed, 1 287 992 = 321 998 × 4
• 1 609 990: indeed, 1 609 990 = 321 998 × 5
• etc.

• Preceding numbers: …321 996, 321 997
• Following numbers: 321 999, 322 000…

Nearest numbers from 321 998

• Preceding prime number: 321 991
• Following prime number: 322 001

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• 321 998 est-il un nombre premier ?