3
votes
5answers
412 views

What is the term for groups of numerals within a large number?

I am writing software in which I would like to be able to return the groups of numerals within a large number. For example, given a number 123,456,789, my software would return 123 then 456 then 789. ...
8
votes
3answers
721 views

What is the correct term to describe 'primary', 'secondary', etc

What is the correct term to describe the words in the following sequence: primary, secondary, tertiary, quaternary, quinary, senary, septenary, octonary, nonary, denary, duodenary, etc. I am thinking ...