n = 4 1/2
Rando bike (Soma Fog Cutter)
Hardtail
Commuter (Priority Eight, IGH belt drive)
Recumbent (Volae Team, sad former rando bike that's currently ignored)
The half-bike is a unicycle (26" muni)
The rando bike has a set of 700c wheels and 650b wheels, but those are just wheels.
Space is a challenge, but I just discovered these, and I'm looking at the garage with fresh eyes.