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Introduction

There are ancient civilizations that used their number, before the number used by almost the whole of the world exists. On the record, there is Babylon, Egyptian, Mayan, and Roman. In the present, we used Hindu-Arabic numbers as a numeric system. Founded by Indian Mathematicians, adopted by Arabian Mathematicians, introduced and spread to Medieval Europe by the Arabian merchant while they trade goods and items.

Indonesian Number

This is a number in Bahasa Indonesia:

0 = nol
1 = satu
2 = dua
3 = tiga
4 = empat
5 = lima
6 = enam
7 = tujuh
8 = delapan
9 = sembilan
10 = sepuluh

A number 10 - 19, called “belasan” read as:

11 = sebelas
12 = dua belas
13 = tiga belas
14 = empat belas
15 = lima belas
16 = enam belas
17 = tujuh belas
18 = delapan belas
19 = sembilan belas

A number 20 - 99, called “puluhan” read as:

20 = dua puluh
21 = dua puluh satu
22 = dua puluh dua
23 = dua puluh tiga
24 = dua puluh empat
etc until
99 = sembilan puluh sembilan

The next number and beyond:

hundred = ratus
thousand = ribu
ten thousand = puluh ribu
hundred thousand = ratus ribu
million = juta
billion = miliar
trillion = triliun
quadrillion = kuadriliun
quintillion = kuintiliun
etc until
Skewes’ Number = Angka Skewes’

With some rules from quadrillion until skewe’s number, “C” replace with “S”, “O” replace with “U”, “Q” replace with “K”, there is no Double “L”.

The way to read Indonesian numbers is similar to English numbers. For example, “12345” in English read as “twelve thousand, three hundred, forty-five”, in Indonesian read as “dua belas ribu, tiga ratus, empat puluh lima”.

Basic Mathematics Symbol

This is my post about the Indonesian number, Thank You for your time.

Best Regards.