Is 121321 a prime number?

121 321 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 121 321 is about 348.312.

Thus, the square root of 121 321 is not an integer, and therefore 121 321 is not a square number.

Anyway, 121 321 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 121 321) is the result of the product of this number (121 321) by itself (i.e., 121 321 × 121 321); the square of 121 321 is sometimes called "raising 121 321 to the power 2", or "121 321 squared".

The square of 121 321 is 14 718 785 041 because 121 321 × 121 321 = 121 321² = 14 718 785 041.

As a consequence, 121 321 is the square root of 14 718 785 041.

121 321 is a number with 6 digits.

The multiples of 121 321 are all integers evenly divisible by 121 321, that is all numbers such that the remainder of the division by 121 321 is zero. There are infinitely many multiples of 121 321. The smallest multiples of 121 321 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 121 321 too, since 0 × 121 321 = 0
• 121 321: indeed, 121 321 is a multiple of itself, since 121 321 is evenly divisible by 121 321 (we have 121 321 / 121 321 = 1, so the remainder of this division is indeed zero)
• 242 642: indeed, 242 642 = 121 321 × 2
• 363 963: indeed, 363 963 = 121 321 × 3
• 485 284: indeed, 485 284 = 121 321 × 4
• 606 605: indeed, 606 605 = 121 321 × 5
• etc.

• Preceding numbers: …121 319, 121 320
• Following numbers: 121 322, 121 323…

Nearest numbers from 121 321

• Preceding prime number: 121 313
• Following prime number: 121 327

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• 121 321 est-il un nombre premier ?