Is 9820 a prime number?

9 820 is an even number, because it is evenly divisible by 2: 9 820 / 2 = 4 910.

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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 9 820 is about 99.096.

Thus, the square root of 9 820 is not an integer, and therefore 9 820 is not a square number.

The square of a number (here 9 820) is the result of the product of this number (9 820) by itself (i.e., 9 820 × 9 820); the square of 9 820 is sometimes called "raising 9 820 to the power 2", or "9 820 squared".

The square of 9 820 is 96 432 400 because 9 820 × 9 820 = 9 820² = 96 432 400.

As a consequence, 9 820 is the square root of 96 432 400.

9 820 is a number with 4 digits.

The multiples of 9 820 are all integers evenly divisible by 9 820, that is all numbers such that the remainder of the division by 9 820 is zero. There are infinitely many multiples of 9 820. The smallest multiples of 9 820 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 9 820 too, since 0 × 9 820 = 0
• 9 820: indeed, 9 820 is a multiple of itself, since 9 820 is evenly divisible by 9 820 (we have 9 820 / 9 820 = 1, so the remainder of this division is indeed zero)
• 19 640: indeed, 19 640 = 9 820 × 2
• 29 460: indeed, 29 460 = 9 820 × 3
• 39 280: indeed, 39 280 = 9 820 × 4
• 49 100: indeed, 49 100 = 9 820 × 5
• etc.

• Preceding numbers: …9 818, 9 819
• Following numbers: 9 821, 9 822…

Nearest numbers from 9 820

• Preceding prime number: 9 817
• Following prime number: 9 829

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• 9 820 est-il un nombre premier ?