Is 998400 a prime number?

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

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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 998 400 is about 999.200.

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

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

The square of 998 400 is 996 802 560 000 because 998 400 × 998 400 = 998 400² = 996 802 560 000.

As a consequence, 998 400 is the square root of 996 802 560 000.

998 400 is a number with 6 digits.

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

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 998 400 too, since 0 × 998 400 = 0
• 998 400: indeed, 998 400 is a multiple of itself, since 998 400 is evenly divisible by 998 400 (we have 998 400 / 998 400 = 1, so the remainder of this division is indeed zero)
• 1 996 800: indeed, 1 996 800 = 998 400 × 2
• 2 995 200: indeed, 2 995 200 = 998 400 × 3
• 3 993 600: indeed, 3 993 600 = 998 400 × 4
• 4 992 000: indeed, 4 992 000 = 998 400 × 5
• etc.

• Preceding numbers: …998 398, 998 399
• Following numbers: 998 401, 998 402…

Nearest numbers from 998 400

• Preceding prime number: 998 399
• Following prime number: 998 411

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• 998 400 est-il un nombre premier ?