Is 42489 a prime number?

42 489 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 42 489 is about 206.129.

Thus, the square root of 42 489 is not an integer, and therefore 42 489 is not a square number.

The square of a number (here 42 489) is the result of the product of this number (42 489) by itself (i.e., 42 489 × 42 489); the square of 42 489 is sometimes called "raising 42 489 to the power 2", or "42 489 squared".

The square of 42 489 is 1 805 315 121 because 42 489 × 42 489 = 42 489² = 1 805 315 121.

As a consequence, 42 489 is the square root of 1 805 315 121.

42 489 is a number with 5 digits.

The multiples of 42 489 are all integers evenly divisible by 42 489, that is all numbers such that the remainder of the division by 42 489 is zero. There are infinitely many multiples of 42 489. The smallest multiples of 42 489 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 489 too, since 0 × 42 489 = 0
• 42 489: indeed, 42 489 is a multiple of itself, since 42 489 is evenly divisible by 42 489 (we have 42 489 / 42 489 = 1, so the remainder of this division is indeed zero)
• 84 978: indeed, 84 978 = 42 489 × 2
• 127 467: indeed, 127 467 = 42 489 × 3
• 169 956: indeed, 169 956 = 42 489 × 4
• 212 445: indeed, 212 445 = 42 489 × 5
• etc.

• Preceding numbers: …42 487, 42 488
• Following numbers: 42 490, 42 491…

Nearest numbers from 42 489

• Preceding prime number: 42 487
• Following prime number: 42 491

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• 42 489 est-il un nombre premier ?