Base-6 number systems (senary) were used by many human cultures. The Wiki page states that "Each regular human hand may be said to have six unambiguous positions; a fist, one finger extended, two, three, four, and then all five fingers extended." "1–6 often being pure forms, and numerals thereafter being constructed or borrowed"
Base-6 number systems (senary) were used by many human cultures. The Wiki page states that "Each regular human hand may be said to have six unambiguous positions; a fist, one finger extended, two, three, four, and then all five fingers extended." "1–6 often being pure forms, and numerals thereafter being constructed or borrowed"