Is 42427 a prime number?

42 427 is an odd number, because it is not evenly divisible by 2.

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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 42 427 is about 205.978.

Thus, the square root of 42 427 is not an integer, and therefore 42 427 is not a square number.

The square of a number (here 42 427) is the result of the product of this number (42 427) by itself (i.e., 42 427 × 42 427); the square of 42 427 is sometimes called "raising 42 427 to the power 2", or "42 427 squared".

The square of 42 427 is 1 800 050 329 because 42 427 × 42 427 = 42 427² = 1 800 050 329.

As a consequence, 42 427 is the square root of 1 800 050 329.

42 427 is a number with 5 digits.

The multiples of 42 427 are all integers evenly divisible by 42 427, that is all numbers such that the remainder of the division by 42 427 is zero. There are infinitely many multiples of 42 427. The smallest multiples of 42 427 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 427 too, since 0 × 42 427 = 0
• 42 427: indeed, 42 427 is a multiple of itself, since 42 427 is evenly divisible by 42 427 (we have 42 427 / 42 427 = 1, so the remainder of this division is indeed zero)
• 84 854: indeed, 84 854 = 42 427 × 2
• 127 281: indeed, 127 281 = 42 427 × 3
• 169 708: indeed, 169 708 = 42 427 × 4
• 212 135: indeed, 212 135 = 42 427 × 5
• etc.

• Preceding numbers: …42 425, 42 426
• Following numbers: 42 428, 42 429…

Nearest numbers from 42 427

• Preceding prime number: 42 409
• Following prime number: 42 433

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• 42 427 est-il un nombre premier ?