Is 121990 a prime number?

121 990 is an even number, because it is evenly divisible by 2: 121 990 / 2 = 60 995.

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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 121 990 is about 349.271.

Thus, the square root of 121 990 is not an integer, and therefore 121 990 is not a square number.

The square of a number (here 121 990) is the result of the product of this number (121 990) by itself (i.e., 121 990 × 121 990); the square of 121 990 is sometimes called "raising 121 990 to the power 2", or "121 990 squared".

The square of 121 990 is 14 881 560 100 because 121 990 × 121 990 = 121 990² = 14 881 560 100.

As a consequence, 121 990 is the square root of 14 881 560 100.

121 990 is a number with 6 digits.

The multiples of 121 990 are all integers evenly divisible by 121 990, that is all numbers such that the remainder of the division by 121 990 is zero. There are infinitely many multiples of 121 990. The smallest multiples of 121 990 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 121 990 too, since 0 × 121 990 = 0
• 121 990: indeed, 121 990 is a multiple of itself, since 121 990 is evenly divisible by 121 990 (we have 121 990 / 121 990 = 1, so the remainder of this division is indeed zero)
• 243 980: indeed, 243 980 = 121 990 × 2
• 365 970: indeed, 365 970 = 121 990 × 3
• 487 960: indeed, 487 960 = 121 990 × 4
• 609 950: indeed, 609 950 = 121 990 × 5
• etc.

• Preceding numbers: …121 988, 121 989
• Following numbers: 121 991, 121 992…

Nearest numbers from 121 990

• Preceding prime number: 121 967
• Following prime number: 121 993

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• 121 990 est-il un nombre premier ?