Jim Logajan wrote:

2) Eight in base eight is written 10, just as ten in base ten is written
as 10, so "octagonal" sometimes means "ten" such as during a full Phobos
moon.


H.G Wells' Martians had a group of eight tendrils on either side of
their mouths, so I assume they use either base eight or sixteen as far
as counting goes. ;-)

Pat

Pat