Is 997221 a prime number?

997 221 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 997 221 is about 998.610.

Thus, the square root of 997 221 is not an integer, and therefore 997 221 is not a square number.

The square of a number (here 997 221) is the result of the product of this number (997 221) by itself (i.e., 997 221 × 997 221); the square of 997 221 is sometimes called "raising 997 221 to the power 2", or "997 221 squared".

The square of 997 221 is 994 449 722 841 because 997 221 × 997 221 = 997 221² = 994 449 722 841.

As a consequence, 997 221 is the square root of 994 449 722 841.

997 221 is a number with 6 digits.

The multiples of 997 221 are all integers evenly divisible by 997 221, that is all numbers such that the remainder of the division by 997 221 is zero. There are infinitely many multiples of 997 221. The smallest multiples of 997 221 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 997 221 too, since 0 × 997 221 = 0
• 997 221: indeed, 997 221 is a multiple of itself, since 997 221 is evenly divisible by 997 221 (we have 997 221 / 997 221 = 1, so the remainder of this division is indeed zero)
• 1 994 442: indeed, 1 994 442 = 997 221 × 2
• 2 991 663: indeed, 2 991 663 = 997 221 × 3
• 3 988 884: indeed, 3 988 884 = 997 221 × 4
• 4 986 105: indeed, 4 986 105 = 997 221 × 5
• etc.

• Preceding numbers: …997 219, 997 220
• Following numbers: 997 222, 997 223…

Nearest numbers from 997 221

• Preceding prime number: 997 219
• Following prime number: 997 247

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• Est-ce que 997 221 est un nombre premier ?

• ¿997 221 es un número primo?