Is 80121 a prime number?

80 121 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 80 121 is about 283.057.

Thus, the square root of 80 121 is not an integer, and therefore 80 121 is not a square number.

The square of a number (here 80 121) is the result of the product of this number (80 121) by itself (i.e., 80 121 × 80 121); the square of 80 121 is sometimes called "raising 80 121 to the power 2", or "80 121 squared".

The square of 80 121 is 6 419 374 641 because 80 121 × 80 121 = 80 121² = 6 419 374 641.

As a consequence, 80 121 is the square root of 6 419 374 641.

80 121 is a number with 5 digits.

The multiples of 80 121 are all integers evenly divisible by 80 121, that is all numbers such that the remainder of the division by 80 121 is zero. There are infinitely many multiples of 80 121. The smallest multiples of 80 121 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 80 121 too, since 0 × 80 121 = 0
• 80 121: indeed, 80 121 is a multiple of itself, since 80 121 is evenly divisible by 80 121 (we have 80 121 / 80 121 = 1, so the remainder of this division is indeed zero)
• 160 242: indeed, 160 242 = 80 121 × 2
• 240 363: indeed, 240 363 = 80 121 × 3
• 320 484: indeed, 320 484 = 80 121 × 4
• 400 605: indeed, 400 605 = 80 121 × 5
• etc.

• Preceding numbers: …80 119, 80 120
• Following numbers: 80 122, 80 123…

Nearest numbers from 80 121

• Preceding prime number: 80 111
• Following prime number: 80 141

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• 80 121 est-il un nombre premier ?