47

47 (forty-seven) is a positive integer following 46 and preceding 48. Its ordinal form is written "forty-seventh" or 47th.
== Properties ==
47 is an .
== In googology ==
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 by show story writer 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 starts at 47 MHz.
== In Science ==
47 is the atomic number of silver.Britannica, Silver
== Sources ==
Category:Numbers
Category:Class 1
Category:Numbers 0-99
Category:Numbers in engineering
Category:Numbers with 1 to 2 digits
Category:Prime numbers