Ordinal Number
- thirtieth : 30th
- Fortieth: 40th
- fiftieth: 50th
- sixtieth: 60th
- seventieth: 70th
- eightieth: 80th
- Ninetieth: 90th
- one hundredth: 100th
- one hundred and first: 101st
- one thousandth: 1,000th
- One millionth: 1,000,000th
- one billionth: 1,000,000,000th
