1
st
first
11
th
eleventh
21
st
twenty-first
31
st
thirty-first
2
nd
second
12
th
twelfth
22
nd
twenty-second
40
th
fortieth
3
rd
third
13
th
thirteenth
23
rd
twenty-third
50
th
fiftieth
4
th
fourth
14
th
fourteenth
24
th
twenty-fourth
60
th
sixtieth
5
th
fifth
15
th
fifteenth
25
th
twenty-fifth
70
th
seventieth
6
th
sixth
16
th
sixteenth
26
th
twenty-sixth
80
th
eightieth
7
th
seventh
17
th
seventeenth
27
th
twenty-seventh
90
th
ninetieth
8
th
eighth
18
th
eighteenth
28
th
twenty-eighth
100
th
one hundredth
9
th
ninth
19
th
nineteenth
29
th
twenty-ninth
1000
th
one thousandth
10
th
tenth
20
th
twentieth
30
th
thirtieth
1000000
th
one millionth