- Is 1 Prime, and Does It Matter? (mathenchant.wordpress.com)
If you ask a person on the street whether 1 is a prime number, they’ll probably pause, try to remember what they were taught, and say “no” (or “yes” or “I don’t remember”). Or maybe they’ll cross the street in a hurry. On the other hand, if you ask a mathematician, there’s a good chance they’ll say “That’s an excellent question” or “It’s kind of an interesting story…”
- Unincorporated community (Wikipedia)
In local government in the United States, an unincorporated area generally refers to the part of a county that is outside any municipality. An unincorporated community is one general term for a geographic area having a common social identity without municipal organization or official political designation (i.e., incorporation as a city or town).