Is 513991 a prime number?

513 991 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 513 991 is about 716.932.

Thus, the square root of 513 991 is not an integer, and therefore 513 991 is not a square number.

Anyway, 513 991 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 513 991) is the result of the product of this number (513 991) by itself (i.e., 513 991 × 513 991); the square of 513 991 is sometimes called "raising 513 991 to the power 2", or "513 991 squared".

The square of 513 991 is 264 186 748 081 because 513 991 × 513 991 = 513 991² = 264 186 748 081.

As a consequence, 513 991 is the square root of 264 186 748 081.

513 991 is a number with 6 digits.

The multiples of 513 991 are all integers evenly divisible by 513 991, that is all numbers such that the remainder of the division by 513 991 is zero. There are infinitely many multiples of 513 991. The smallest multiples of 513 991 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 513 991 too, since 0 × 513 991 = 0
• 513 991: indeed, 513 991 is a multiple of itself, since 513 991 is evenly divisible by 513 991 (we have 513 991 / 513 991 = 1, so the remainder of this division is indeed zero)
• 1 027 982: indeed, 1 027 982 = 513 991 × 2
• 1 541 973: indeed, 1 541 973 = 513 991 × 3
• 2 055 964: indeed, 2 055 964 = 513 991 × 4
• 2 569 955: indeed, 2 569 955 = 513 991 × 5
• etc.

• Preceding numbers: …513 989, 513 990
• Following numbers: 513 992, 513 993…

Nearest numbers from 513 991

• Preceding prime number: 513 977
• Following prime number: 514 001

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• 513 991 est-il un nombre premier ?