Is 1443 a prime number?

1 443 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 1 443 is about 37.987.

Thus, the square root of 1 443 is not an integer, and therefore 1 443 is not a square number.

The square of a number (here 1 443) is the result of the product of this number (1 443) by itself (i.e., 1 443 × 1 443); the square of 1 443 is sometimes called "raising 1 443 to the power 2", or "1 443 squared".

The square of 1 443 is 2 082 249 because 1 443 × 1 443 = 1 443² = 2 082 249.

As a consequence, 1 443 is the square root of 2 082 249.

1 443 is a number with 4 digits.

The multiples of 1 443 are all integers evenly divisible by 1 443, that is all numbers such that the remainder of the division by 1 443 is zero. There are infinitely many multiples of 1 443. The smallest multiples of 1 443 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 443 too, since 0 × 1 443 = 0
• 1 443: indeed, 1 443 is a multiple of itself, since 1 443 is evenly divisible by 1 443 (we have 1 443 / 1 443 = 1, so the remainder of this division is indeed zero)
• 2 886: indeed, 2 886 = 1 443 × 2
• 4 329: indeed, 4 329 = 1 443 × 3
• 5 772: indeed, 5 772 = 1 443 × 4
• 7 215: indeed, 7 215 = 1 443 × 5
• etc.

• Preceding numbers: …1 441, 1 442
• Following numbers: 1 444, 1 445…

Nearest numbers from 1 443

• Preceding prime number: 1 439
• Following prime number: 1 447

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• 1 443 est-il un nombre premier ?