Is 820004 a prime number?

820 004 is an even number, because it is evenly divisible by 2: 820 004 / 2 = 410 002.

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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 820 004 is about 905.541.

Thus, the square root of 820 004 is not an integer, and therefore 820 004 is not a square number.

The square of a number (here 820 004) is the result of the product of this number (820 004) by itself (i.e., 820 004 × 820 004); the square of 820 004 is sometimes called "raising 820 004 to the power 2", or "820 004 squared".

The square of 820 004 is 672 406 560 016 because 820 004 × 820 004 = 820 004² = 672 406 560 016.

As a consequence, 820 004 is the square root of 672 406 560 016.

820 004 is a number with 6 digits.

The multiples of 820 004 are all integers evenly divisible by 820 004, that is all numbers such that the remainder of the division by 820 004 is zero. There are infinitely many multiples of 820 004. The smallest multiples of 820 004 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 820 004 too, since 0 × 820 004 = 0
• 820 004: indeed, 820 004 is a multiple of itself, since 820 004 is evenly divisible by 820 004 (we have 820 004 / 820 004 = 1, so the remainder of this division is indeed zero)
• 1 640 008: indeed, 1 640 008 = 820 004 × 2
• 2 460 012: indeed, 2 460 012 = 820 004 × 3
• 3 280 016: indeed, 3 280 016 = 820 004 × 4
• 4 100 020: indeed, 4 100 020 = 820 004 × 5
• etc.

• Preceding numbers: …820 002, 820 003
• Following numbers: 820 005, 820 006…

Nearest numbers from 820 004

• Preceding prime number: 819 991
• Following prime number: 820 037

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• 820 004 est-il un nombre premier ?