Is 3995 a prime number?

3 995 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 3 995 is about 63.206.

Thus, the square root of 3 995 is not an integer, and therefore 3 995 is not a square number.

The square of a number (here 3 995) is the result of the product of this number (3 995) by itself (i.e., 3 995 × 3 995); the square of 3 995 is sometimes called "raising 3 995 to the power 2", or "3 995 squared".

The square of 3 995 is 15 960 025 because 3 995 × 3 995 = 3 995² = 15 960 025.

As a consequence, 3 995 is the square root of 15 960 025.

3 995 is a number with 4 digits.

The multiples of 3 995 are all integers evenly divisible by 3 995, that is all numbers such that the remainder of the division by 3 995 is zero. There are infinitely many multiples of 3 995. The smallest multiples of 3 995 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 3 995 too, since 0 × 3 995 = 0
• 3 995: indeed, 3 995 is a multiple of itself, since 3 995 is evenly divisible by 3 995 (we have 3 995 / 3 995 = 1, so the remainder of this division is indeed zero)
• 7 990: indeed, 7 990 = 3 995 × 2
• 11 985: indeed, 11 985 = 3 995 × 3
• 15 980: indeed, 15 980 = 3 995 × 4
• 19 975: indeed, 19 975 = 3 995 × 5
• etc.

• Preceding numbers: …3 993, 3 994
• Following numbers: 3 996, 3 997…

Nearest numbers from 3 995

• Preceding prime number: 3 989
• Following prime number: 4 001

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• 3 995 est-il un nombre premier ?