Class number

The class number is part of the Classification system, and it is where the family, genus, and species of a COB or Agent are written next to each other. eg. 2 7 80 is the class number of the Purple Mountain Hootch, where 2 is the family (simple object), 7 is the genus (drink) and 80 is the species.

There is a list of known C1 class numbers, and of known C3/DS class numbers.