The various spoken and written forms of words and characters covering digits, numbers, numerals, including derived forms such as ordinals.

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17
votes
3answers
822 views

Rules for slang of Japanese numbers

I often hear Japanese using a different method for saying a number like "248" as によんぱ — especially for highways and license plates. While this one is easy to understand, there are others that I ...
25
votes
6answers
1k views

Arabic numbers: half-width or full-width?

Using my computer, I type a lot of numbers in Japanese text, and I am not sure when to use half-width or full-width. Are there rules? Right now I only use half-width, is it fine? Off-topic: Here is ...
11
votes
3answers
1k views

About writing numbers using Japanese numerals vs using Arabic numerals

I noticed that even though Japanese language has kanji characters for numbers (e.g. 十、百、千、万 etc), there are many places where Arabic numerals are used instead, for example, prices for shop items are ...
8
votes
1answer
315 views

Is there a general counter word for objects that you can fallback on if you're not sure which one to use?

I guess we could use the native Japanese numbers, 一つ, 二つ, 三つ...but we'd run into a problem at or after ten (not sure how とお works — same for はたち). Is there a general counter word that we can fallback ...
8
votes
2answers
252 views

Why are furigana for number kanji almost always omitted?

Here's an example sentence from 北斗の拳 which uses a fair amount of furigana throughout. xxxに残された命は三日... Which includes furigana for のこ, いのち, and, bafflingly, even the か of 日, but none for 三. While ...
23
votes
4answers
4k views

How to choose between “よん” (yon) vs “し” (shi) for “四” (4) and “しち” (shichi) vs “なな” (nana) for “七” (7)?

Two numbers in Japanese have two pronunciation alternatives. 四 / 4 can be pronounced either "よん" (yon) or "し" (shi) 七 / 7 can be pronounced either "しち" (shichi) or "なな" (nana) I know that "し" ...
19
votes
2answers
446 views

Why is 二十歳 pronounced はたち?

二十歳 is a (to me) bizarre exception to the usual number+さい rule for discussing age. Is this rooted in 20 being the Japanese age of majority? Added: To be more specific: why isn't it pronounced にじゅうさい ...
6
votes
2answers
884 views

List of Japanese counter words [closed]

What are the essential Japanese counter words? For example -dai for machines, -mai for papers and stuff like that. What else to expect/know? Thank you
12
votes
1answer
335 views

Japanese/Chinese numbers usage timeline

Japanese uses both native and Chinese numbering numbering systems, the Sino-Japanese pronunciations being いち, に, さん, etc. and the native being hito, futa, mitu, etc. For the most part they are used ...