Is 998521 a prime number?

998 521 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 998 521 is about 999.260.

Thus, the square root of 998 521 is not an integer, and therefore 998 521 is not a square number.

The square of a number (here 998 521) is the result of the product of this number (998 521) by itself (i.e., 998 521 × 998 521); the square of 998 521 is sometimes called "raising 998 521 to the power 2", or "998 521 squared".

The square of 998 521 is 997 044 187 441 because 998 521 × 998 521 = 998 521² = 997 044 187 441.

As a consequence, 998 521 is the square root of 997 044 187 441.

998 521 is a number with 6 digits.

The multiples of 998 521 are all integers evenly divisible by 998 521, that is all numbers such that the remainder of the division by 998 521 is zero. There are infinitely many multiples of 998 521. The smallest multiples of 998 521 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 998 521 too, since 0 × 998 521 = 0
• 998 521: indeed, 998 521 is a multiple of itself, since 998 521 is evenly divisible by 998 521 (we have 998 521 / 998 521 = 1, so the remainder of this division is indeed zero)
• 1 997 042: indeed, 1 997 042 = 998 521 × 2
• 2 995 563: indeed, 2 995 563 = 998 521 × 3
• 3 994 084: indeed, 3 994 084 = 998 521 × 4
• 4 992 605: indeed, 4 992 605 = 998 521 × 5
• etc.

• Preceding numbers: …998 519, 998 520
• Following numbers: 998 522, 998 523…

Nearest numbers from 998 521

• Preceding prime number: 998 513
• Following prime number: 998 527

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• 998 521 est-il un nombre premier ?