A really fast thesaurus... with lots of synonyms.

(n) :
a finger or toe; a numeral that can be combined with others to write larger numbers, and that cannot itself be split into other numerals

"the digits of the decimal number system are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, and those in the hexadecimal number system are those in the decimal system along with A, B, C, D, E and F."

(n) :
a finger or toe; a numeral that can be combined with others to write larger numbers, and that cannot itself be split into other numerals

"the digits of the decimal number system are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9, and those in the hexadecimal number system are those in the decimal system along with A, B, C, D, E and F."