Is 21121 a prime number? What are the divisors of 21121?

Parity of 21 121

21 121 is an odd number, because it is not evenly divisible by 2.

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Is 21 121 a perfect square 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 21 121 is about 145.331.

Thus, the square root of 21 121 is not an integer, and therefore 21 121 is not a square number.

Anyway, 21 121 is a prime number, and a prime number cannot be a perfect square.

What is the square number of 21 121?

The square of a number (here 21 121) is the result of the product of this number (21 121) by itself (i.e., 21 121 × 21 121); the square of 21 121 is sometimes called "raising 21 121 to the power 2", or "21 121 squared".

The square of 21 121 is 446 096 641 because 21 121 × 21 121 = 21 1212 = 446 096 641.

As a consequence, 21 121 is the square root of 446 096 641.

Number of digits of 21 121

21 121 is a number with 5 digits.

What are the multiples of 21 121?

The multiples of 21 121 are all integers evenly divisible by 21 121, that is all numbers such that the remainder of the division by 21 121 is zero. There are infinitely many multiples of 21 121. The smallest multiples of 21 121 are:

Numbers near 21 121

Nearest numbers from 21 121

Find out whether some integer is a prime number