John Vertical sprak aldus:
>There's also the yet more efficient Knuth's Extended Myriadic system,
which
>is strictly base 10 but new words for powers of 10 are added only
when
>unavoidable. That is, 10^3 is just ten hundreds and doesn't need a
name on
>its own; 10^4 is myriad, 10^8 myllion, and then 10^16 either byllion
(short
>count) or mylliard (long count).
This is the system I like best. I used it for Eyahwánsi, but with the
digits reversed. http://www.ewoudnet.nl/ruittenb/eyahwansi/vocabulary.
html
René