Is 101221 a prime number?

101 221 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 101 221 is about 318.152.

Thus, the square root of 101 221 is not an integer, and therefore 101 221 is not a square number.

Anyway, 101 221 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 101 221) is the result of the product of this number (101 221) by itself (i.e., 101 221 × 101 221); the square of 101 221 is sometimes called "raising 101 221 to the power 2", or "101 221 squared".

The square of 101 221 is 10 245 690 841 because 101 221 × 101 221 = 101 221² = 10 245 690 841.

As a consequence, 101 221 is the square root of 10 245 690 841.

101 221 is a number with 6 digits.

The multiples of 101 221 are all integers evenly divisible by 101 221, that is all numbers such that the remainder of the division by 101 221 is zero. There are infinitely many multiples of 101 221. The smallest multiples of 101 221 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 101 221 too, since 0 × 101 221 = 0
• 101 221: indeed, 101 221 is a multiple of itself, since 101 221 is evenly divisible by 101 221 (we have 101 221 / 101 221 = 1, so the remainder of this division is indeed zero)
• 202 442: indeed, 202 442 = 101 221 × 2
• 303 663: indeed, 303 663 = 101 221 × 3
• 404 884: indeed, 404 884 = 101 221 × 4
• 506 105: indeed, 506 105 = 101 221 × 5
• etc.

• Preceding numbers: …101 219, 101 220
• Following numbers: 101 222, 101 223…

Nearest numbers from 101 221

• Preceding prime number: 101 209
• Following prime number: 101 267

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• 101 221 est-il un nombre premier ?