2157

2157 is a year in the Gregorian calendar. It lies in the 22nd century and is a common year with 365 days.

As a future date, there are no recorded real-world events for 2157. The year is frequently used in forecasting and in science fiction to explore long-term trends in space exploration, technology, and climate adaptation.

Calendrical and numeric properties: 2157 is not a leap year. Its prime factorization is 3 × 719. In binary, it is 100001101101 and in hexadecimal, 0x86D.

In culture and reference works, 2157 is commonly employed as a distant-future setting, where stories consider governance of advanced AI, interstellar travel, or ecological resilience.