Te Pito Te Henua, or Easter Island, by William J. Thompson, [1891], at sacred-texts.com

NUMERALS.

In counting the natives use the fingers of both hands but never the toes.

1 = Ka-tahi.
2 = Ka-rua.
3 = Ka-toru.
4 = Ka-ha.
5 = Ka-rima.
6 = Ka-ono.
7 = Ka-hitu.
8 = Ka-varu.
9 = Ka-iva.
0 = Aanghuru.
10 = Ka tahi te aanghuru.
11 = Ka tahi te aanghuru Ka tahi.
12 = Ka tahi te aanghuru Ka rua.
13 = Ka ta hi te aanghuru Katoru, etc.
20 = Ka rua te aanghuru.
21 = Ka rua te aanghuru Ka tahi.
22 = Ka rua te aanghuru Ka rua.
23 = Ka rua te aanghuru Ka toru, etc.
30 = Ka toru te aanghuru.
31 = Ka toru te aanghuru, Ka tahi.
32 = Ka toru te aanghuru, Ka rua.
33 = Ka toru te aanghuru, Ka toru, etc.
50 = Ka rima te aanghuru.
60 = Ka ono te aanghuru.
70 = Ka hitu te aanghuru.
80 = Ka raru te aanghuru.
90 = Ka ira te aanghuru.
100 = Ka rau.
101 = Ka tahi te rau ma tahi.
102 = Ka tahi te rau ma rua.
200 = Ka rua te rau.
201 = Ka rima te rau ma taki.
300 = Ka toru te rau.
301 = Ka toru te rau ma tahi.
400 = Ka ha te rau.
401 = Ka ha te rau ma tahi.
500 = Ka rima te rau, etc.
1,000 = Piere.
2,000 = Ka rua te piere,
3,000= Ka toru te piere.
4,000 = Ka ha te piere.
10,000 = Ka mano.
100,000 = Ka peka
1.000,000 = Ha ra.
Over one million, mingoi-ngoi.

From 1 to 10 the syllables are pronounced as one word, in a multiple of ten the words are distinctly separated. A record of numbers was kept by stringing pieces of bulrush together.