Numbers

Front 1

un-

Back 1

one

Front 2

du-

Back 2

two

Front 3

tri-

Back 3

three

Front 4

quat-

Back 4

four

Front 5

quin-

Back 5

five

Front 6

quinqu-

Back 6

five

Front 7

sex-

Back 7

six

Front 8

septum-

Back 8

seven

Front 9

sept-

Back 9

seven

Front 10

oct(o)-

Back 10

eight

Front 11

novem-

Back 11

nine

Front 12

nov-

Back 12

nine

Front 13

decem-

Back 13

ten

Front 14

dec-

Back 14

ten

Front 15

cent-

Back 15

100

Front 16

mill-

Back 16

1000