Indigenous Ffisteun have four digits (kelawin) (two opposing thumbs and two fingers) on each hand (tet). 

The first sequence of the basic eight - Ffisteun do not recognise the number zero:

Subsequent sequences are defined by the first number mentioned: The first post-hiff sequence should be uv-hi but is pronounced ufFi:

Numbers higher than tlo-hi-tlo seem to be too large for fFisteun to manage. Most numbers larger than VIET are simply kada (a great many) or tuukada (almost uncountable).

In the text, references to numbers smaller than Viet use 'fFisteun numerals'. If, for example, there are eleven (decimal) sailors on Strömvast the roman numeral used is XIII (8+3) 

In practice, Ffisteun prefer to use descriptive collective nouns to refer to numbers larger than Viet. In the military these collective nouns refer to specific body counts in units and start at the smallest of units: