A lot of people know the phonetic alphabet (A – alpha, B – bravo, C – charlie etc.) but not many people know that there is a number equivalent too:

0. Nadazero
1. Unaone
2. Bissotwo
3. Terrathree
4. Kartefour
5. Pantafive
6. Soxisix
7. Setteseven
8. Oktoeight
9. Novenine