Basic Things: Numerals

The set of cardinal numbers is typical for Germanic languages:
1 - ain
2 - tvai
3 - tri
4 - fidur
5 - fim
6 - ses
7 - sim
8 - axtu
9 - neun
10 - tain

Cardinal numbers from 11 to 19 are formed adding -ten to the stem of cardinal numbers (some changes occur in the process). The exceptions are the numbers 11 and 12:
11 enlif
12 tvalf
13 triten
14 firten
15 fimten
16 sesten
17 simten
18 axten
19 neunten

Tens are formed with addition of -tjus to the stem of cardinal numbers:
20 tvaitjus
30 tritjus
40 firtjus
50 fimtjus
60 sestjus
70 simtjus
80 axtjus
90 neuntjus

Cardinal numbers from 21 to 99 are formed in a manner similar to the one used in English:
24 tvaitjus fidur
62 sestjus tvai
98 neuntjus axtu

100 is xundred. This is a noun; when hundreds as numbers are formed, the form is -xund:
100 ainxund
200 tvaixund
300 trixund
400 firxund
500 fimxund
600 sesxund
700 simxund
800 axtxund
900 neunxund

1000 is þusend, so thousands go as follows:
1000 ain þusend
2000 tvai þusend
3000 tri þusend
4000 fidur þusend
5000 fim þusend
6000 ses þusend
7000 sim þusend
8000 axtu þusend
etc.

1 000 000 is milljon, 1 000 000 000 is milljard.
Large cardinal numbers are formed in the following way:
2 675 346 - tvai milljon sesxund simtjus fim þusend trixund firtjus ses.

Ordinal numbers are formed with the suffix -d/-t: sest 'sixth', tvaitjus-fidurd 'twenty-fourth'. The only exceptions are: frum 'first', andr 'second' and tridj 'third'.

Fraction numerals are formed with the suffix -(e)da with the exception of 1/2 (xalb), 1/3 (tridail) and 1/4 (firdail): tri simdas 'three sevenths', fim axtedas 'five eights'. One tenth is tenda, not *taineda.