Farcaster

The number 86 has several intriguing aspects and associations. Mathematically, it is an even composite number and can be factored into the primes 2 and 43 (2 × 43). It is also a centered triangular number. In chemistry, 86 is the atomic number of radon, a radioactive noble gas used in some types of radiation therapy. Historically, 86 AD marked significant events in the Roman Empire under Emperor Domitian. Culturally, the term “86” is often used in American slang to mean getting rid of something or someone, especially in the context of restaurants or bars, where it means to remove an item from the menu or to eject a person.