Numerals

Numerals include all numbers, whether written as words (one, two, three) or as digits (1, 2, 3). There are two main subclasses of numerals:

1   Cardinal numerals are used in counting. They refer to quantity:

                   zero, nought,        0

                   one,                        1

                   two,                        2

                  three,                       3

                  fifty,                        50

                  one hundred,         100

                  one thousand,       1,000

2    Ordinal numerals refer to positions in a sequence:

                first,                        1st

                second,                   2nd

                third,                      3rd

               fiftieth,                     50th

               one hundredth,       100th

              one thousandth,       1,000th

By analogy with first, the word last is also an ordinal numeral, although it cannot be written as a digit.