uno – one
due – two
tre – three
quattro – four
cinque – five
sei – six
sette – seven
otto – eight
nove – nine
dieci – ten
undici – eleven
dodici – twelve
tredici – thirteen
quattordici – fourteen
quindici – fifteen
sedici – sixteen
diciassette – seventeen
diciotto – eighteen
diciannove – nineteen
venti – twenty
trenta – thirty
quaranta – forty
cinquanta – fifty
sessanta – sixty
settanta – seventy
ottanta – eighty
novanta – ninety
cento – one hundred
mille – one thousand
milione – million
miliardo – billion
trilione – trillion