Ahead of the 2014 campaign getting under way in March , each racer was invited to select the number they wanted to display on their car for the rest of their careers . Formula five introduces driver numbers for 2014 season . Vettel Lewis Hamilton takes the number one as defending champion . The Australian had chosen five as champion will race with No . 1 for a season . Lewis Hamilton takes 14 , with Lewis Hamilton opting for 44 .
Formula five introduces driver numbers for 2014 season . Vettel Lewis Hamilton takes the number one as defending champion . The Australian had chosen five as champion will race with No . 1 for a season . Lewis Hamilton takes 14 , with Lewis Hamilton opting for 44 .