digit
n. countable B1 Intermediate US //ˈdɪdʒət// UK //dˈɪdʒɪt// dig·it Archaic
n. any of the numbers from 0 to 9. It can also mean a finger or a toe.
n. any of the Arabic numerals from 0 through 9; also refers to a finger or toe in anatomical contexts.
The code for the door has four digits.
The bank requires a six-digit PIN to access your account through the mobile app.
While the patient suffered minor bruising to the hand, all five digits remained fully functional with no signs of nerve damage or bone fractures.
Usage
Commonly used in technical contexts to refer to numerical characters or anatomical appendages.