Is 200491 a prime number?

200 491 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 200 491 is about 447.762.

Thus, the square root of 200 491 is not an integer, and therefore 200 491 is not a square number.

The square of a number (here 200 491) is the result of the product of this number (200 491) by itself (i.e., 200 491 × 200 491); the square of 200 491 is sometimes called "raising 200 491 to the power 2", or "200 491 squared".

The square of 200 491 is 40 196 641 081 because 200 491 × 200 491 = 200 491² = 40 196 641 081.

As a consequence, 200 491 is the square root of 40 196 641 081.

200 491 is a number with 6 digits.

The multiples of 200 491 are all integers evenly divisible by 200 491, that is all numbers such that the remainder of the division by 200 491 is zero. There are infinitely many multiples of 200 491. The smallest multiples of 200 491 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 200 491 too, since 0 × 200 491 = 0
• 200 491: indeed, 200 491 is a multiple of itself, since 200 491 is evenly divisible by 200 491 (we have 200 491 / 200 491 = 1, so the remainder of this division is indeed zero)
• 400 982: indeed, 400 982 = 200 491 × 2
• 601 473: indeed, 601 473 = 200 491 × 3
• 801 964: indeed, 801 964 = 200 491 × 4
• 1 002 455: indeed, 1 002 455 = 200 491 × 5
• etc.

• Preceding numbers: …200 489, 200 490
• Following numbers: 200 492, 200 493…

Nearest numbers from 200 491

• Preceding prime number: 200 483
• Following prime number: 200 513

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• 200 491 est-il un nombre premier ?