Is 400998 a prime number?

400 998 is an even number, because it is evenly divisible by 2: 400 998 / 2 = 200 499.

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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 400 998 is about 633.244.

Thus, the square root of 400 998 is not an integer, and therefore 400 998 is not a square number.

The square of a number (here 400 998) is the result of the product of this number (400 998) by itself (i.e., 400 998 × 400 998); the square of 400 998 is sometimes called "raising 400 998 to the power 2", or "400 998 squared".

The square of 400 998 is 160 799 396 004 because 400 998 × 400 998 = 400 998² = 160 799 396 004.

As a consequence, 400 998 is the square root of 160 799 396 004.

400 998 is a number with 6 digits.

The multiples of 400 998 are all integers evenly divisible by 400 998, that is all numbers such that the remainder of the division by 400 998 is zero. There are infinitely many multiples of 400 998. The smallest multiples of 400 998 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 400 998 too, since 0 × 400 998 = 0
• 400 998: indeed, 400 998 is a multiple of itself, since 400 998 is evenly divisible by 400 998 (we have 400 998 / 400 998 = 1, so the remainder of this division is indeed zero)
• 801 996: indeed, 801 996 = 400 998 × 2
• 1 202 994: indeed, 1 202 994 = 400 998 × 3
• 1 603 992: indeed, 1 603 992 = 400 998 × 4
• 2 004 990: indeed, 2 004 990 = 400 998 × 5
• etc.

• Preceding numbers: …400 996, 400 997
• Following numbers: 400 999, 401 000…

Nearest numbers from 400 998

• Preceding prime number: 400 997
• Following prime number: 401 017

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• Est-ce que 400 998 est un nombre premier ?

• ¿400 998 es un número primo?