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 “1 7 3 (one seven three)” 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 "1 7 3 (one seven three)" Practice (4) Lesson Learn Lesson words one (1), seven (7), three (3) etc. View all lesson words Lesson phrases 1 7 3 (one seven three) etc. View all lesson phrases Themed Courses Numbers 1 Numbers 0-10 1 Part of Speech Courses Adjectives 3