Is 21377 a prime number?

21 377 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 21 377 is about 146.209.

Thus, the square root of 21 377 is not an integer, and therefore 21 377 is not a square number.

Anyway, 21 377 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 21 377) is the result of the product of this number (21 377) by itself (i.e., 21 377 × 21 377); the square of 21 377 is sometimes called "raising 21 377 to the power 2", or "21 377 squared".

The square of 21 377 is 456 976 129 because 21 377 × 21 377 = 21 377² = 456 976 129.

As a consequence, 21 377 is the square root of 456 976 129.

21 377 is a number with 5 digits.

The multiples of 21 377 are all integers evenly divisible by 21 377, that is all numbers such that the remainder of the division by 21 377 is zero. There are infinitely many multiples of 21 377. The smallest multiples of 21 377 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 21 377 too, since 0 × 21 377 = 0
• 21 377: indeed, 21 377 is a multiple of itself, since 21 377 is evenly divisible by 21 377 (we have 21 377 / 21 377 = 1, so the remainder of this division is indeed zero)
• 42 754: indeed, 42 754 = 21 377 × 2
• 64 131: indeed, 64 131 = 21 377 × 3
• 85 508: indeed, 85 508 = 21 377 × 4
• 106 885: indeed, 106 885 = 21 377 × 5
• etc.

• Preceding numbers: …21 375, 21 376
• Following numbers: 21 378, 21 379…

Nearest numbers from 21 377

• Preceding prime number: 21 347
• Following prime number: 21 379

• Is 0 a prime number?
• Is 1 a prime number?
• Is 2 a prime number?
• Is 2024 a prime number?
• Is 2025 a prime number?
• Is 813 a prime number?

• Five thousand prime numbers

• Contact

• 21 377 est-il un nombre premier ?