English and Japanese have different delimiter digits.
In English, the numbers are separated by 3 digits.
One (1), Ten (10), Hundred (100)
-> One thousand (1,000), Ten thousand (10,000), Hundred thousand (100,000)
-> One million (1,000,000) …
In Japanese, the numbers are separated by 4 digits.
Ichi (1), Juu (10), Hyaku (100), Sen (1000)
-> Ichi man (1,0000), Juu man (10,0000), Hyaku man (100,000), Sen man (1000,0000)
-> Ichi oku (1,0000,0000) …
Cheat sheet
May be garbled.
| Num | Pronunciation | Japanese |
|---|---|---|
| 1 | Ichi | 一 |
| 10 | Juu | 十 |
| 100 | Hyaku | 百 |
| 1000 | Sen | 千 |
| 10n | Japanese | English | SI prefix |
|---|---|---|---|
| 103 | thousand | K (kilo) | |
| 104 | 万 | ||
| 106 | million | M (mega) | |
| 108 | 億 | ||
| 109 | billion | G (giga) | |
| 1012 | 兆 | trillion | T (tera) |
| 1015 | quadrillion | P (peta) | |
| 1016 | 京 | ||
| 1018 | quintillion | E (exa) | |
| 1020 | 垓 | ||
| 1021 | sextillion | Z (zetta) | |
| 1024 | 杼 | septillion | Y (yotta) |
| 1027 | octillion | ||
| 1028 | 穣 | ||
| 1030 | nonillion | ||
| 1032 | 溝 | ||
| 1033 | decillion | ||
| 1036 | 澗 | undecillion | |
| 1039 | duodecillion | ||
| 1040 | 正 | ||
| 1042 | tredecillion | ||
| 1044 | 載 | ||
| 1045 | quattuordecillion | ||
| 1048 | 極 | quindecillion | |
| 1051 | sexdecillion | ||
| 1052 | 恒河沙 | ||
| 1054 | septendecillion | ||
| 1056 | 阿僧祇 | ||
| 1057 | octodecillion | ||
| 1060 | 那由他 | novemdecillion | |
| 1063 | vigintillion | ||
| 1064 | 不可思議 | ||
| 1066 | unvigintillion | ||
| 1068 | 無量大数 | ||
| 1069 | duovigintillion | ||
| 1072 | tresvigintillion | ||
| 1075 | quattuorvigintillion | ||
| 1078 | quinquavigintillion | ||
| 1081 | sesvigintillion | ||
| 1084 | septemvigintillion | ||
| 1087 | octovigintillion | ||
| 1090 | novemvigintillion | ||
| 1093 | trigintillion |