Is 80809 a prime number?

80 809 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 80 809 is about 284.269.

Thus, the square root of 80 809 is not an integer, and therefore 80 809 is not a square number.

Anyway, 80 809 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 80 809) is the result of the product of this number (80 809) by itself (i.e., 80 809 × 80 809); the square of 80 809 is sometimes called "raising 80 809 to the power 2", or "80 809 squared".

The square of 80 809 is 6 530 094 481 because 80 809 × 80 809 = 80 809² = 6 530 094 481.

As a consequence, 80 809 is the square root of 6 530 094 481.

80 809 is a number with 5 digits.

The multiples of 80 809 are all integers evenly divisible by 80 809, that is all numbers such that the remainder of the division by 80 809 is zero. There are infinitely many multiples of 80 809. The smallest multiples of 80 809 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 80 809 too, since 0 × 80 809 = 0
• 80 809: indeed, 80 809 is a multiple of itself, since 80 809 is evenly divisible by 80 809 (we have 80 809 / 80 809 = 1, so the remainder of this division is indeed zero)
• 161 618: indeed, 161 618 = 80 809 × 2
• 242 427: indeed, 242 427 = 80 809 × 3
• 323 236: indeed, 323 236 = 80 809 × 4
• 404 045: indeed, 404 045 = 80 809 × 5
• etc.

• Preceding numbers: …80 807, 80 808
• Following numbers: 80 810, 80 811…

Nearest numbers from 80 809

• Preceding prime number: 80 803
• Following prime number: 80 819

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• 80 809 est-il un nombre premier ?