First, second, third and the other ordinal numbers in Icelandic, with English translations.
| English | Icelandic |
|---|---|
| first | fyrsti |
| second | annar |
| third | þriðji |
| fourth | fjórði |
| fifth | fimmti |
| sixth | sjötti |
| seventh | sjöundi |
| eighth | áttundi |
| ninth | níundi |
| tenth | tíundi |
| eleventh | ellefti |
| twelfth | tólfti |
| thirteenth | þrettándi |
| fourteenth | fjórtándi |
| fifteenth | fimmtándi |
| sixteenth | sextándi |
| seventeenth | sautjándi |
| eighteenth | átjándi |
| nineteenth | nítjándi |
| twentieth | tuttugasti |
| thirtieth | þrítugasti |
| hundredth | hundraðasti |
| last | síðasti |