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Numbers

0 REI or ZERO 1 ICHI 2 NI 3 SAN 4 YON or SHI 5 GO 6 ROKU 7 NANA or SHICHI 8 HACHI 9 KYUU 10 JUU 11 JUU ICHI 12 JUU NI 13 JUU SAN 14 JUU YON or JUU SI 15 JUU GO 16 JUU ROKU 17 JUU NANA or JUU SHICHI 18 JUU HACHI 19 JUU KYUU 20 NIJUU 21 NIJUU ICHI 22 NIJUU NI 23 NIJUU SAN 24 NIJUU YON or NIJUU SHI 25 NIJUU GO 26 NIJUU ROKU 27 NIJUU NANA or NIJUU SHICHI 28 NIJUU HACHI 29 NIJUU KYUU 30 SANJUU These numbers are formed the same way as the numbers shown above. 40 YONJUU 50 GOJUU 60 ROKUJUU 70 NANAJUU 80 HACHIJUU 90 KYUUJUU 100 HYAKU 101 HYAKU ICHI 102 HYAKU NI 103 HYAKU SAN 104 HYAKU YON 105 KYAKU GO 106 HYAKU ROKU 107 HYAKU SHICHI 108 HYAKU HACHI 109 HYAKU KYUU 1,000 SEN 10,000 ICHI MAN 100,000 JUU MAN 1,000,000 HYAKU MAN 10,000,000 ISSEN MAM (Not ICHI SEN MAN) 100,000,000 ICHI OKU 1,000,000,000 JUU OKU 10,000,000,000 HYAKU OKU 100,000,000,000 ISSEN OKU (Not ICHI SEN OKU) 1,000,000,000,000 ICCHOU (Not ICHI CHOU) In Japanese, the unit changes every 4 digits. 10,000 : MAN 100,000,000 : OKU 1,000,000,000,000 : CHOU EX. 1,356,269,709,548 ICCHOU SANZEN GOHYAKU ROKUJUU NI OKU ROKUSEN KYUUHYAKU NANAJUU MAN KYUUSEN GOHYAKU YONJUU HACHI ( 3,000 is SANZEN. Not SANSEN ) I will show all units of counting in Japanese below. The units which are most often used in daily life are shown in the olive green section. The etymology of these units stems from Buddhism. This is the first time I have encountered some of the more exotic units shown below. 100,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : MURYOUTAISUU 10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : FUKASHIGI 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : NAYUTA 100,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : ASOUGI 10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : GOUGASYA 1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : GOKU 100,000,000,000,000,000,000,000,000,000,000,000,000,000,000 : SAI 10,000,000,000,000,000,000,000,000,000,000,000,000,000 : SEI 1,000,000,000,000,000,000,000,000,000,000,000,000 : KAN 100,000,000,000,000,000,000,000,000,000,000 : KOU 10,000,000,000,000,000,000,000,000,000 : JYOU 1,000,000,000,000,000,000,000,000 : JYO 100,000,000,000,000,000,000 : GAI 10,000,000,000,000,000 : KEI 1,000,000,000,000 : CHOU 100,000,000 : OKU 10,000 : MAN 1,000 : SEN 100 : HYAKU 10 : JYUU 1 : ICHI 0 : REI 0.1 : BU 0.01 : RIN 0.001 : MOU 0.000,1 : SHI 0.000,01 : KOTU 0.000,001 : BI 0.000,000,1 : SEN 0.000,000,01 : SHYA 0.000,000,001 : JIN 0.000,000,000,1 : AI 0.000,000,000,01 : BYOU 0.000,000,000,001 : BAKU 0.000,000,000,000,1 : MOKO 0.000,000,000,000,01 : SYUNJUN 0.000,000,000,000,001 : SYUYU 0.000,000,000,000,000,1 : SYUNSOKU 0.000,000,000,000,000,01 : DANSHI 0.000,000,000,000,000,001 : SETUNA 0.000,000,000,000,000,000,1 : RITTOKU 0.000,000,000,000,000,000,01 : KUUKYO 0.000,000,000,000,000,000,001 : SEIJOU