2971

2971 is a natural number that comes after 2970 and before 2972. In mathematics, it is a prime number, meaning it has no positive divisors other than 1 and itself.

It is odd and not divisible by 2, 3, or 5, and testing divisibility by primes up to 53 yields no factors. Since the square root of 2971 is about 54.5, this confirms its primality.

Its base representations include binary 101110011011, octal 5633, and hexadecimal B9B. In Roman numerals, 2971 is MMCMLXXI.

As a calendar year, 2971 CE would fall in the late 3rd millennium. In fiction and speculative contexts, such far-future years are sometimes used to frame imagined technological or societal developments.