Question about the ways of saying the numbers 4 and 7 in japanese?
So, I'm used to, when counting, saying 4 as し, and 7 as しち.
My question is, when else can I use it like this..
Like, in minutes, do I need to say よんぷん and ななふん, or can I say　しぷん and しちふん??? Is it incorrect saying differrent??
And in numbers, can I say things like しひゃく and しちひゃく, and しせん and しちせん, or do I need to say it with yon and shichi?? I'm kinda confused 'cuz I hear people saying different things, also, I don't mind if is not very used, I need to know if it's incorrect..

ありがとうございます。

Question

Question about the ways of saying the numbers 4 and 7 in japanese?
So, I'm used to, when  counting, saying 4 as し, and 7 as しち.
My question is, when else can I use it like this..
Like, in minutes, do I need to say よんぷん and ななふん, or can I say　しぷん and しちふん??? Is it incorrect saying differrent??
And in numbers, can I say things like しひゃく and しちひゃく, and しせん and しちせん, or do I need to say it with yon and shichi?? I'm kinda confused 'cuz I hear people saying different things, also, I don't mind if is not very used, I need to know if it's incorrect..

ありがとうございます。

Answer

It depends on the things you count. I know it's difficult for the learners, however, please get accustomed to it little by little.

4 is read し、よん、よ
Ex.) よじ、よんぷん、よんひゃく、よんせん、よっつ、etc

7 is read しち、なな
Ex.) しちじ、ななふん、ななひゃく、ななせん、ななつ、etc
*There are cases that we say ななじ、しちふん however, I don't hear しちひゃく、しちせん in everyday conversation.

I hope this helps you.

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