It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 197 021 is not a prime number.
For example, 197 021 can be divided by 11: 197 021 / 11 = 17 911.
For 197 021 to be a prime number, it would have been required that 197 021 has only two divisors, i.e., itself and 1.
Find out more:
197 021 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 197 021 is about 443.870.
Thus, the square root of 197 021 is not an integer, and therefore 197 021 is not a square number.
The square of a number (here 197 021) is the result of the product of this number (197 021) by itself (i.e., 197 021 × 197 021); the square of 197 021 is sometimes called "raising 197 021 to the power 2", or "197 021 squared".
The square of 197 021 is 38 817 274 441 because 197 021 × 197 021 = 197 0212 = 38 817 274 441.
As a consequence, 197 021 is the square root of 38 817 274 441.
The multiples of 197 021 are all integers evenly divisible by 197 021, that is all numbers such that the remainder of the division by 197 021 is zero. There are infinitely many multiples of 197 021. The smallest multiples of 197 021 are: