Is 998381 a prime number?

998 381 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 998 381 is about 999.190.

Thus, the square root of 998 381 is not an integer, and therefore 998 381 is not a square number.

Anyway, 998 381 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 998 381) is the result of the product of this number (998 381) by itself (i.e., 998 381 × 998 381); the square of 998 381 is sometimes called "raising 998 381 to the power 2", or "998 381 squared".

The square of 998 381 is 996 764 621 161 because 998 381 × 998 381 = 998 381² = 996 764 621 161.

As a consequence, 998 381 is the square root of 996 764 621 161.

998 381 is a number with 6 digits.

The multiples of 998 381 are all integers evenly divisible by 998 381, that is all numbers such that the remainder of the division by 998 381 is zero. There are infinitely many multiples of 998 381. The smallest multiples of 998 381 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 998 381 too, since 0 × 998 381 = 0
• 998 381: indeed, 998 381 is a multiple of itself, since 998 381 is evenly divisible by 998 381 (we have 998 381 / 998 381 = 1, so the remainder of this division is indeed zero)
• 1 996 762: indeed, 1 996 762 = 998 381 × 2
• 2 995 143: indeed, 2 995 143 = 998 381 × 3
• 3 993 524: indeed, 3 993 524 = 998 381 × 4
• 4 991 905: indeed, 4 991 905 = 998 381 × 5
• etc.

• Preceding numbers: …998 379, 998 380
• Following numbers: 998 382, 998 383…

Nearest numbers from 998 381

• Preceding prime number: 998 377
• Following prime number: 998 399

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• 998 381 est-il un nombre premier ?