Is 400442 a prime number?

400 442 is an even number, because it is evenly divisible by 2: 400 442 / 2 = 200 221.

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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 400 442 is about 632.805.

Thus, the square root of 400 442 is not an integer, and therefore 400 442 is not a square number.

The square of a number (here 400 442) is the result of the product of this number (400 442) by itself (i.e., 400 442 × 400 442); the square of 400 442 is sometimes called "raising 400 442 to the power 2", or "400 442 squared".

The square of 400 442 is 160 353 795 364 because 400 442 × 400 442 = 400 442² = 160 353 795 364.

As a consequence, 400 442 is the square root of 160 353 795 364.

400 442 is a number with 6 digits.

The multiples of 400 442 are all integers evenly divisible by 400 442, that is all numbers such that the remainder of the division by 400 442 is zero. There are infinitely many multiples of 400 442. The smallest multiples of 400 442 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 400 442 too, since 0 × 400 442 = 0
• 400 442: indeed, 400 442 is a multiple of itself, since 400 442 is evenly divisible by 400 442 (we have 400 442 / 400 442 = 1, so the remainder of this division is indeed zero)
• 800 884: indeed, 800 884 = 400 442 × 2
• 1 201 326: indeed, 1 201 326 = 400 442 × 3
• 1 601 768: indeed, 1 601 768 = 400 442 × 4
• 2 002 210: indeed, 2 002 210 = 400 442 × 5
• etc.

• Preceding numbers: …400 440, 400 441
• Following numbers: 400 443, 400 444…

Nearest numbers from 400 442

• Preceding prime number: 400 441
• Following prime number: 400 457

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• 400 442 est-il un nombre premier ?