La abreviatura de los números ordinales se forma con el número en cifra seguido por las últimas dos letras de la palabra completa. Las decenas, millares y el millón se unen con un guión o “and”, al igual que los números cardinales.
1st (first), 2nd (second), 3rd (third), 7th (seventh), 15th (fifteenth),
20th (twentieth), 23rd (twenty-third), 31st (thirty-first)…
| Números |
Inglés |
| 1st |
first |
| 2nd |
second |
| 3rd |
third |
| 4th |
fourth |
| 5th |
fifth |
| 6th |
sixth |
| 7th |
seventh |
| 8th |
eighth |
| 9th |
ninth |
| 10th |
tenth |
| 11th |
eleventh |
| 12th |
twelfth |
| 13th |
thirteenth |
| 14th |
fourteenth |
| 15th |
fifteenth |
| 16th |
sixteenth |
| 17th |
seventeenth |
| 18th |
eighteenth |
| 19th |
nineteenth |
| 20th |
twentieth |
| 21st |
twenty-first |
| 22nd |
twenty-second |
| 30th |
thirtieth |
| 40th |
fortieth |
| 50th |
fiftieth |
| 60th |
sixtieth |
| 70th |
seventieth |
| 80th |
eightieth |
| 90th |
ninetieth |
| 100th |
hundredth |
| 101st |
hundred and first |
| 200th |
two hundredth |
| 1,000th |
thousandth |
| 10,000th |
ten thousandth |
| 100,000th |
hundred thousandth |
| 1,000,000th |
millionth |
