Il numero 17, diciassette in Italiano, in Inglese si dice seventeen.
Il numero ordinale 17° in inglese si dice seventeenth.
8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 18: eighteen 19: nineteen 20: twenty 21: twenty-one 22: twenty-two 23: twenty-three 24: twenty-four 25: twenty-five 26: twenty-six