Japanese Number System

1 Ichi 100 Hyaku
2 Ni 105 Hyaku Go
3 San 115 Hyaku Ju-Go
4 Shi 125 Hyaku Ni-Ju-Go
5 Go
6 Roku 200 Ni-Hyaku
7 Shichi 300 San-Byaku
8 Hachi 400 Yon-Hyaku
9 Ku 500 Go-Hyaku
10 Ju 600 Rop-Pyaku
700 Nana-Hyaku
11 Ju-Ichi 800 Hap-Pyaku
12 Ju-Ni 900 Kyu-Hyaku
20 Ni-Ju 1,000 Sen
21 Ni-Ju-Ichi 1,200 Sen Ni-Hyaku
22 Ni-Ju-Ni 1,230 Sen Ni-Hyaku San-Ju
1,234 Sen Ni-Hyaku San-Ju-Shi
30 San-Ju
40 Yon-Ju 2,000 Ni-Sen
50 Go-Ju 3,000 San-Sen
60 Roku-Ju 4,000 Yon-Sen
70 Nana-Ju 5,000 Go-Sen
80 Hachi-Ju
90 Kyu-Ju

Please note that some numbers change forms. These include four, seven, and nine.