NUMBERS USED IN JAPAN

Numbers over 20

21	nijûichi
22	nijûni
32	sanjûni
99	kyûjûkyû

Numbers over 100

101	hyakuichi
121	hyakunijûichi
200	nihyaku
232	nihyakusanjûni
999	kyûhyakukyûjûkyû

Numbers over 1000

1,001	sen'ichi
1,121	sen'hyakunijûichi
2,000	nisen
2,232	nisennihyakusanjûni
9,999	kyûsenkyûhyakukyûjûkyû

Numbers over 10000

10,001	ichiman'ichi
11,021	ichiman'issennijûichi
20,000	niman
23,543	nimansanzengohyakuyonjûsan
99,999	kyûmankyûsenkyûhyakukyûjûkyû
100,000	jûman
1,000,000	hyakuman
10,000,000	issemman
100,000,000	ichioku
$10$ ¹²	itchô

Numeric Suffixes

$10$ ⁴	-man
$10$ ⁸	-oku
$10$ ¹²	-chô
$10$ ¹⁶	-kei
$10$ ²⁰	-gai
$10$ ²⁴	-jo
$10$ ²⁸	-jô
$10$ ³²	-kô
$10$ ³⁶	-kan
$10$ ⁴⁰	-sei
$10$ ⁴⁴	-sai
$10$ ⁴⁸	-goku
$10$ ⁵²	-gôgasha
$10$ ⁵⁶	-asôgi
$10$ ⁶⁰	-nayuta
$10$ ⁶⁴	-fukashigi
$10$ ⁶⁸	-muryôtaisû

Special Numbers

1/2	ni bun no ichi
1 3/4	ichi to yon bun no san
0.1	rei ten ichi
1.75	itten nana go
3.14	san ten ichi yon
$2$ ²	ni no jijô
$4$ ³	yon no sanjô
$x$ ^y	ekkusu no wai jô

Dates

645	roppyakuyonjûgonen
1997	senkyûhyakukyûjûshichinen [senkyûhyakukyûjûnananen]
1950s	senkyûhyakugojûnendai
March 19, 1997	senkyûhyakukyûjûshichinen [senkyûhyakukyûjûnananen] sangatsu jûkunichi

The Score in the Games

6-3	roku tai san
18-0	jûhachi tai rei
40-0 (for tennis)	fôtii rabu

Calculations

1 + 1 = 2	ichi tasu ichi wa ni
2 - 5 = -3	ni hiku go wa mainasu san
6 × 9 = 54	roku kakeru kyû wa gojûyon
7 ÷ 4 = 1...3 7 ÷ 4 = 1.75	nana waru yon wa ichi amari san nana waru yon wa itten nana go
$(x+y)$ ²=x²+2xy+y²	ekkusu tasu wai no jijô ikôru ekkusu no jijô tasu ni ekkusu wai tasu wai no jijô

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Copyright (C) 1998, 1999 Masayuki (Yuki) Kawagishi. All rights reserved.