197th

The number 197 is a prime number, meaning it is only divisible by 1 and itself. In mathematics, it follows the prime number 193 and precedes the prime number 199. It is part of the sequence of prime numbers.

In Roman numerals, 197 is represented as CXCVII. This is derived by combining C (100), XC (90, which is 100-10), and VII (7).

The year 197 AD was a year in the 2nd century. Notable events from this year are not widely documented in historical records, but it falls within the period of the Roman Empire.

The number 197 can also appear in various contexts, such as measurements, addresses, or as part of a larger sequence or code. Without specific context, its significance is purely numerical or as a label. For instance, in some numbering systems, 197 might denote a specific item or category. Its prime nature is its most fundamental characteristic in mathematics.