Is 3820 a prime number?

3 820 is an even number, because it is evenly divisible by 2: 3 820 / 2 = 1 910.

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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 3 820 is about 61.806.

Thus, the square root of 3 820 is not an integer, and therefore 3 820 is not a square number.

The square of a number (here 3 820) is the result of the product of this number (3 820) by itself (i.e., 3 820 × 3 820); the square of 3 820 is sometimes called "raising 3 820 to the power 2", or "3 820 squared".

The square of 3 820 is 14 592 400 because 3 820 × 3 820 = 3 820² = 14 592 400.

As a consequence, 3 820 is the square root of 14 592 400.

3 820 is a number with 4 digits.

The multiples of 3 820 are all integers evenly divisible by 3 820, that is all numbers such that the remainder of the division by 3 820 is zero. There are infinitely many multiples of 3 820. The smallest multiples of 3 820 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 3 820 too, since 0 × 3 820 = 0
• 3 820: indeed, 3 820 is a multiple of itself, since 3 820 is evenly divisible by 3 820 (we have 3 820 / 3 820 = 1, so the remainder of this division is indeed zero)
• 7 640: indeed, 7 640 = 3 820 × 2
• 11 460: indeed, 11 460 = 3 820 × 3
• 15 280: indeed, 15 280 = 3 820 × 4
• 19 100: indeed, 19 100 = 3 820 × 5
• etc.

• Preceding numbers: …3 818, 3 819
• Following numbers: 3 821, 3 822…

Nearest numbers from 3 820

• Preceding prime number: 3 803
• Following prime number: 3 821

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• 3 820 est-il un nombre premier ?