7

7 (seven) is a positive integer following 6 and preceding 8. Its ordinal form is written "7th" or "seventh." It is the smallest number in class 1. == Properties == 7 is an. == In googology == Some googologisms based on 7 are googolseptiplex, supersept and trisept. In Greek-based naming systems, 7 is associated with prefix hepta-, and with prefix septi- in Latin systems.