Is 42211 a prime number?

42 211 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 42 211 is about 205.453.

Thus, the square root of 42 211 is not an integer, and therefore 42 211 is not a square number.

The square of a number (here 42 211) is the result of the product of this number (42 211) by itself (i.e., 42 211 × 42 211); the square of 42 211 is sometimes called "raising 42 211 to the power 2", or "42 211 squared".

The square of 42 211 is 1 781 768 521 because 42 211 × 42 211 = 42 211² = 1 781 768 521.

As a consequence, 42 211 is the square root of 1 781 768 521.

42 211 is a number with 5 digits.

The multiples of 42 211 are all integers evenly divisible by 42 211, that is all numbers such that the remainder of the division by 42 211 is zero. There are infinitely many multiples of 42 211. The smallest multiples of 42 211 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 211 too, since 0 × 42 211 = 0
• 42 211: indeed, 42 211 is a multiple of itself, since 42 211 is evenly divisible by 42 211 (we have 42 211 / 42 211 = 1, so the remainder of this division is indeed zero)
• 84 422: indeed, 84 422 = 42 211 × 2
• 126 633: indeed, 126 633 = 42 211 × 3
• 168 844: indeed, 168 844 = 42 211 × 4
• 211 055: indeed, 211 055 = 42 211 × 5
• etc.

• Preceding numbers: …42 209, 42 210
• Following numbers: 42 212, 42 213…

Nearest numbers from 42 211

• Preceding prime number: 42 209
• Following prime number: 42 221

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• 42 211 est-il un nombre premier ?