Is 13521 a prime number?

13 521 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 13 521 is about 116.280.

Thus, the square root of 13 521 is not an integer, and therefore 13 521 is not a square number.

The square of a number (here 13 521) is the result of the product of this number (13 521) by itself (i.e., 13 521 × 13 521); the square of 13 521 is sometimes called "raising 13 521 to the power 2", or "13 521 squared".

The square of 13 521 is 182 817 441 because 13 521 × 13 521 = 13 521² = 182 817 441.

As a consequence, 13 521 is the square root of 182 817 441.

13 521 is a number with 5 digits.

The multiples of 13 521 are all integers evenly divisible by 13 521, that is all numbers such that the remainder of the division by 13 521 is zero. There are infinitely many multiples of 13 521. The smallest multiples of 13 521 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 13 521 too, since 0 × 13 521 = 0
• 13 521: indeed, 13 521 is a multiple of itself, since 13 521 is evenly divisible by 13 521 (we have 13 521 / 13 521 = 1, so the remainder of this division is indeed zero)
• 27 042: indeed, 27 042 = 13 521 × 2
• 40 563: indeed, 40 563 = 13 521 × 3
• 54 084: indeed, 54 084 = 13 521 × 4
• 67 605: indeed, 67 605 = 13 521 × 5
• etc.

• Preceding numbers: …13 519, 13 520
• Following numbers: 13 522, 13 523…

Nearest numbers from 13 521

• Preceding prime number: 13 513
• Following prime number: 13 523

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• 13 521 est-il un nombre premier ?