Ordinal Numbers in Korean — langtolang.com/words/ordinal-numbers/korean

first	첫째 [cheotjjae]
second	둘째 [duljjae]
third	셋째 [setjjae]
fourth	넷째 [netjjae]
fifth	다섯째 [daseotjjae]
sixth	여섯째 [yeoseotjjae]
seventh	일곱째 [ilgopjjae]
eighth	여덟째 [yeodeoljjae]
ninth	아홉째 [ahopjjae]
tenth	열째 [yeoljjae]
eleventh	열한째 [yeolhanjjae]
twelfth	열두째 [yeoldujjae]
thirteenth	열셋째 [yeolsetjjae]
fourteenth	열넷째 [yeolletjjae]
fifteenth	열다섯째 [yeoldaseotjjae]
sixteenth	열여섯째 [yeollyeoseotjjae]
seventeenth	열일곱째 [yeollilgopjjae]
eighteenth	열여덟째 [yeollyeodeoljjae]
nineteenth	열아홉째 [yeorahopjjae]
twentieth	스무째 [seumujjae]
thirtieth	서른째 [seoreunjjae]
hundredth	백째 [baekjjae]
last	마지막 [majimak]