número
number
ordinal
ordinal
1°
I
primer/o/a
1st
I
first
2°
II
segundo/a
2nd
II
second
3°
III
tercer/o/a
3rd
III
third
4°
IV
cuarto/a
4th
IV
fourth
5°
V
quinto/a
5th
V
fifth
6°
VI
sexto/a
6th
VI
sixth
7°
VII
séptimo/a
7th
VII
seventh
8°
VIII
octavo/a
8th
VIII
eighth
9°
IX
noveno/a
9th
IX
ninth
10°
X
décimo/a
10th
X
tenth
11°
XI
undécimo/a
11th
XI
eleventh
12°
XII
duodécimo/a
12th
XII
twelfth
13°
XIII
decimotercer/o/a
13th
XIII
thirteenth
14°
XIV
decimocuarto/a
14th
XIV
fourteenth
15°
XV
decimoquinto/a
15th
XV
fifteenth
16°
XVI
decimosexto/a
16th
XVI
sixteenth
17°
XVII
decimoséptimo/a
17th
XVII
seventeenth
18°
XVIII
decimoctavo/a
18th
XVIII
eighteenth
19°
XIX
decimonoveno/a
19th
XIX
nineteenth
20°
XX
vigésimo/a
20th
XX
twentieth
21°
XXI
vigesimoprimer/o/a
21st
XXI
twenty-first
22°
XXII
vigesimosegundo/a
22nd
XXII
twenty-second
30°
XXX
trigésimo/a
30th
XXX
thirtieth
40°
XL
cuadragésimo/a
40th
XL
fortieth
50°
L
quincuagésimo/a
50th
L
fiftieth
60°
LX
sexagésimo/a
60th
LX
sixtieth
70°
LXX
septuagésimo/a
70th
LXX
seventieth
80°
LXXX
octogésimo/a
80th
LXXX
eightieth
90°
XC
nonagésimo/a
90th
XC
ninetieth
100°
C
centésimo/a
100th
C
one hundredth
101°
CI
centésimo/a primer/o/a
101st
CI
one hundred (and) first
102°
CII
centésimo/a segundo/a
102nd
CII
one hundred (and) second
200°
CC
ducentésimo/a
200th
CC
two hundredth
300°
CCC
tricentésimo/a
300th
CCC
three hundredth
400°
CD
cuadringentésimo/a
400th
CD
four hundredth
500°
D
quingentésimo/a
500th
D
five hundredth
600°
DC
sexcentésimo/a
600th
DC
six hundredth
700°
DCC
septingentésimo/a
700th
DCC
seven hundredth
800°
DCCC
octingentésimo/a
800th
DCCC
eight hundredth
900°
CM
noningentésimo/a
900th
CM
nine hundredth
1,000°
M
milésimo/a
1,000th
M
one thousandth
10,000°
diezmilésimo/a
10,000th
ten thousandth
100,000°
cienmilésimo/a
100,000th
one hundred thousandth
1,000,000°
millonésimo/a
1,000,000th
one millionth
1,000,000,000°
milmillonésimo/a
1,000,000,000th
one billionth
1,000,000,000,000°
billonésimo/a
1,000,000,000,000th
one trillionth