Ordinal Numbers 1 2 3 4 5 first second third fourth fifth           6 7 8 9 10 sixth seventh eighth ninth tenth           11 12 13 14 15 eleventh twelfth thirteenth fourteenth fifteenth           16 17 18 19   sixteenth seventeenth eighteenth nineteenth             20 30 40 50 60 twentieth thirtieth fortieth fiftieth sixtieth           70 80 90 100   seventieth eightieth ninetieth hundredth         1000 1000000 thousandth millionth