un sept trois Learn Unstarted Literal Breakdown Recording English French Learn one (1) un Learn seven (7) sept Learn three (3) trois Learn Summary The French translation for “one seven three (1 7 3)” is un sept trois. The French, un sept trois, can be broken down into 3 parts:"one (1)" (un), "seven (7)" (sept) and "three (3)" (trois). Practice Lesson "one seven three (1 7 3)" Practice (4) Lesson Learn Lesson words one (1), seven (7), three (3) etc. View all lesson words Lesson phrases one seven three (1 7 3) etc. View all lesson phrases Themed Courses Numbers 1 Numbers 0-10 1 Part of Speech Courses Adjectives 3