Is 13840 a prime number?

13 840 is an even number, because it is evenly divisible by 2: 13 840 / 2 = 6 920.

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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 13 840 is about 117.644.

Thus, the square root of 13 840 is not an integer, and therefore 13 840 is not a square number.

The square of a number (here 13 840) is the result of the product of this number (13 840) by itself (i.e., 13 840 × 13 840); the square of 13 840 is sometimes called "raising 13 840 to the power 2", or "13 840 squared".

The square of 13 840 is 191 545 600 because 13 840 × 13 840 = 13 840² = 191 545 600.

As a consequence, 13 840 is the square root of 191 545 600.

13 840 is a number with 5 digits.

The multiples of 13 840 are all integers evenly divisible by 13 840, that is all numbers such that the remainder of the division by 13 840 is zero. There are infinitely many multiples of 13 840. The smallest multiples of 13 840 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 13 840 too, since 0 × 13 840 = 0
• 13 840: indeed, 13 840 is a multiple of itself, since 13 840 is evenly divisible by 13 840 (we have 13 840 / 13 840 = 1, so the remainder of this division is indeed zero)
• 27 680: indeed, 27 680 = 13 840 × 2
• 41 520: indeed, 41 520 = 13 840 × 3
• 55 360: indeed, 55 360 = 13 840 × 4
• 69 200: indeed, 69 200 = 13 840 × 5
• etc.

• Preceding numbers: …13 838, 13 839
• Following numbers: 13 841, 13 842…

Nearest numbers from 13 840

• Preceding prime number: 13 831
• Following prime number: 13 841

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• 13 840 est-il un nombre premier ?