Is 80420 a prime number?

80 420 is an even number, because it is evenly divisible by 2: 80 420 / 2 = 40 210.

Find out more:

• 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 80 420 is about 283.584.

Thus, the square root of 80 420 is not an integer, and therefore 80 420 is not a square number.

The square of a number (here 80 420) is the result of the product of this number (80 420) by itself (i.e., 80 420 × 80 420); the square of 80 420 is sometimes called "raising 80 420 to the power 2", or "80 420 squared".

The square of 80 420 is 6 467 376 400 because 80 420 × 80 420 = 80 420² = 6 467 376 400.

As a consequence, 80 420 is the square root of 6 467 376 400.

80 420 is a number with 5 digits.

The multiples of 80 420 are all integers evenly divisible by 80 420, that is all numbers such that the remainder of the division by 80 420 is zero. There are infinitely many multiples of 80 420. The smallest multiples of 80 420 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 80 420 too, since 0 × 80 420 = 0
• 80 420: indeed, 80 420 is a multiple of itself, since 80 420 is evenly divisible by 80 420 (we have 80 420 / 80 420 = 1, so the remainder of this division is indeed zero)
• 160 840: indeed, 160 840 = 80 420 × 2
• 241 260: indeed, 241 260 = 80 420 × 3
• 321 680: indeed, 321 680 = 80 420 × 4
• 402 100: indeed, 402 100 = 80 420 × 5
• etc.

• Preceding numbers: …80 418, 80 419
• Following numbers: 80 421, 80 422…

Nearest numbers from 80 420

• Preceding prime number: 80 407
• Following prime number: 80 429

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• 80 420 est-il un nombre premier ?