Is 42423 a prime number?

42 423 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 42 423 is about 205.968.

Thus, the square root of 42 423 is not an integer, and therefore 42 423 is not a square number.

The square of a number (here 42 423) is the result of the product of this number (42 423) by itself (i.e., 42 423 × 42 423); the square of 42 423 is sometimes called "raising 42 423 to the power 2", or "42 423 squared".

The square of 42 423 is 1 799 710 929 because 42 423 × 42 423 = 42 423² = 1 799 710 929.

As a consequence, 42 423 is the square root of 1 799 710 929.

42 423 is a number with 5 digits.

The multiples of 42 423 are all integers evenly divisible by 42 423, that is all numbers such that the remainder of the division by 42 423 is zero. There are infinitely many multiples of 42 423. The smallest multiples of 42 423 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 42 423 too, since 0 × 42 423 = 0
• 42 423: indeed, 42 423 is a multiple of itself, since 42 423 is evenly divisible by 42 423 (we have 42 423 / 42 423 = 1, so the remainder of this division is indeed zero)
• 84 846: indeed, 84 846 = 42 423 × 2
• 127 269: indeed, 127 269 = 42 423 × 3
• 169 692: indeed, 169 692 = 42 423 × 4
• 212 115: indeed, 212 115 = 42 423 × 5
• etc.

• Preceding numbers: …42 421, 42 422
• Following numbers: 42 424, 42 425…

Nearest numbers from 42 423

• Preceding prime number: 42 409
• Following prime number: 42 433

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2025 a prime number?
• Is 2026 a prime number?
• Is 7371 a prime number?

• Five thousand prime numbers

• Contact

• 42 423 est-il un nombre premier ?