Crossword Genius

You can count on it (6)

Ross

I think it could be either:

Which length description are you looking for?:

5

6

digit

(Other definitions for digit that I've seen before include "a number less than ten" , "that's on hand" , "finger, perhaps" , "Finger; number" , "A small number" .)

I've seen this clue in The New York Times.
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