Digits (8)
'digits' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for numbers that I've seen before include "They subdue the pain" , "Figures, digits" , "Book of Bible; counts" , "Quantities; Old Testament book" , "See 3" .)
(Another definition for numerals that I've seen is " Symbols for numbers".)