A very big number!
In Europe an 18 digit number is in the trillions.
In the US an 18 digit number is in the quintillions.
Lots of room for misunderstanding here, best to use scientific notation!
Eighteen of them from 9 to 98
I suggest you just call it that - a "35-digit number".
I would just call it a "400-digit number".
The value of a digit in a number is called its place value.
digit
Eighteen
There are eighteen of them.
If your asking in a digit it's called a 4 digit number and it is the smallest 4 digit number
It is called a 28-digit number!
It is called a twelve-digit number. Its exact name will depend on the number.
Eighteen of them from 9 to 98
A 22 digit number is called a quintillion.
Calling it "17-digit number" is just fine.
I suggest you just call it that - a "35-digit number".
I would just call it a "400-digit number".
The value of a digit in a number is called its place value.
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.