Is 402004 a prime number?

402 004 is an even number, because it is evenly divisible by 2: 402 004 / 2 = 201 002.

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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 402 004 is about 634.038.

Thus, the square root of 402 004 is not an integer, and therefore 402 004 is not a square number.

The square of a number (here 402 004) is the result of the product of this number (402 004) by itself (i.e., 402 004 × 402 004); the square of 402 004 is sometimes called "raising 402 004 to the power 2", or "402 004 squared".

The square of 402 004 is 161 607 216 016 because 402 004 × 402 004 = 402 004² = 161 607 216 016.

As a consequence, 402 004 is the square root of 161 607 216 016.

402 004 is a number with 6 digits.

The multiples of 402 004 are all integers evenly divisible by 402 004, that is all numbers such that the remainder of the division by 402 004 is zero. There are infinitely many multiples of 402 004. The smallest multiples of 402 004 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 402 004 too, since 0 × 402 004 = 0
• 402 004: indeed, 402 004 is a multiple of itself, since 402 004 is evenly divisible by 402 004 (we have 402 004 / 402 004 = 1, so the remainder of this division is indeed zero)
• 804 008: indeed, 804 008 = 402 004 × 2
• 1 206 012: indeed, 1 206 012 = 402 004 × 3
• 1 608 016: indeed, 1 608 016 = 402 004 × 4
• 2 010 020: indeed, 2 010 020 = 402 004 × 5
• etc.

• Preceding numbers: …402 002, 402 003
• Following numbers: 402 005, 402 006…

Nearest numbers from 402 004

• Preceding prime number: 401 993
• Following prime number: 402 023

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• 402 004 est-il un nombre premier ?