Is 1111 a prime number?

1 111 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 1 111 is about 33.332.

Thus, the square root of 1 111 is not an integer, and therefore 1 111 is not a square number.

The square of a number (here 1 111) is the result of the product of this number (1 111) by itself (i.e., 1 111 × 1 111); the square of 1 111 is sometimes called "raising 1 111 to the power 2", or "1 111 squared".

The square of 1 111 is 1 234 321 because 1 111 × 1 111 = 1 111² = 1 234 321.

As a consequence, 1 111 is the square root of 1 234 321.

1 111 is a number with 4 digits.

The multiples of 1 111 are all integers evenly divisible by 1 111, that is all numbers such that the remainder of the division by 1 111 is zero. There are infinitely many multiples of 1 111. The smallest multiples of 1 111 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 111 too, since 0 × 1 111 = 0
• 1 111: indeed, 1 111 is a multiple of itself, since 1 111 is evenly divisible by 1 111 (we have 1 111 / 1 111 = 1, so the remainder of this division is indeed zero)
• 2 222: indeed, 2 222 = 1 111 × 2
• 3 333: indeed, 3 333 = 1 111 × 3
• 4 444: indeed, 4 444 = 1 111 × 4
• 5 555: indeed, 5 555 = 1 111 × 5
• etc.

• Preceding numbers: …1 109, 1 110
• Following numbers: 1 112, 1 113…

Nearest numbers from 1 111

• Preceding prime number: 1 109
• Following prime number: 1 117

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• 1 111 est-il un nombre premier ?