In Greek-based number-naming systems, 47 is associated with prefix "heptatetraconta-", and with prefix "septemquadraginti-" in Latin systems.
In popular culture
The number 47 has been deliberately used in Star Trek: The Next Generation by show story writer Joe Menosky after Donald Bentley, a professor at Pomona College "demonstrated" that all numbers are equal to 47. This was of course a joke proof, but since then it has been a favorite number of Pomona College and was used by Jow Menosky extensively.
In TV broadcasting
In the Old World, the Band I starts at 47 MHz.
47 is the atomic number of silver.
- Britannica, Silver