Is 400428481 a prime number?

400 428 481 is an odd number, because it is not evenly divisible by 2.

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 400 428 481 is about 20 010.709.

Thus, the square root of 400 428 481 is not an integer, and therefore 400 428 481 is not a square number.

Anyway, 400 428 481 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 400 428 481) is the result of the product of this number (400 428 481) by itself (i.e., 400 428 481 × 400 428 481); the square of 400 428 481 is sometimes called "raising 400 428 481 to the power 2", or "400 428 481 squared".

The square of 400 428 481 is 160 342 968 395 967 360 because 400 428 481 × 400 428 481 = 400 428 481² = 160 342 968 395 967 360.

As a consequence, 400 428 481 is the square root of 160 342 968 395 967 360.

400 428 481 is a number with 9 digits.

The multiples of 400 428 481 are all integers evenly divisible by 400 428 481, that is all numbers such that the remainder of the division by 400 428 481 is zero. There are infinitely many multiples of 400 428 481. The smallest multiples of 400 428 481 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 400 428 481 too, since 0 × 400 428 481 = 0
• 400 428 481: indeed, 400 428 481 is a multiple of itself, since 400 428 481 is evenly divisible by 400 428 481 (we have 400 428 481 / 400 428 481 = 1, so the remainder of this division is indeed zero)
• 800 856 962: indeed, 800 856 962 = 400 428 481 × 2
• 1 201 285 443: indeed, 1 201 285 443 = 400 428 481 × 3
• 1 601 713 924: indeed, 1 601 713 924 = 400 428 481 × 4
• 2 002 142 405: indeed, 2 002 142 405 = 400 428 481 × 5
• etc.

• Preceding numbers: …400 428 479, 400 428 480
• Following numbers: 400 428 482, 400 428 483…

Nearest numbers from 400 428 481

• Preceding prime number: 400 428 473
• Following prime number: 400 428 493

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• 400 428 481 est-il un nombre premier ?