Is 1977 a prime number?

1 977 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 1 977 is about 44.463.

Thus, the square root of 1 977 is not an integer, and therefore 1 977 is not a square number.

The square of a number (here 1 977) is the result of the product of this number (1 977) by itself (i.e., 1 977 × 1 977); the square of 1 977 is sometimes called "raising 1 977 to the power 2", or "1 977 squared".

The square of 1 977 is 3 908 529 because 1 977 × 1 977 = 1 977² = 3 908 529.

As a consequence, 1 977 is the square root of 3 908 529.

1 977 is a number with 4 digits.

The multiples of 1 977 are all integers evenly divisible by 1 977, that is all numbers such that the remainder of the division by 1 977 is zero. There are infinitely many multiples of 1 977. The smallest multiples of 1 977 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 977 too, since 0 × 1 977 = 0
• 1 977: indeed, 1 977 is a multiple of itself, since 1 977 is evenly divisible by 1 977 (we have 1 977 / 1 977 = 1, so the remainder of this division is indeed zero)
• 3 954: indeed, 3 954 = 1 977 × 2
• 5 931: indeed, 5 931 = 1 977 × 3
• 7 908: indeed, 7 908 = 1 977 × 4
• 9 885: indeed, 9 885 = 1 977 × 5
• etc.

• Preceding numbers: …1 975, 1 976
• Following numbers: 1 978, 1 979…

Nearest numbers from 1 977

• Preceding prime number: 1 973
• Following prime number: 1 979

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• 1 977 est-il un nombre premier ?