18, 36, 54, 72. by the way, there is this thing called a calculator. get one
120 your welcome
There is no THE 80 digit number - there are 9*1079 of them and each one of them has a differen name just as 11 and 12, both 2-digit numbers, have different names.
The name "24-digit number" is just fine.The name "24-digit number" is just fine.The name "24-digit number" is just fine.The name "24-digit number" is just fine.
Just that - a 26-digit number. There is no special name for that.
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.
check digit
digit
two- digit modifier
It is called a twelve-digit number. Its exact name will depend on the number.
The smallest even number divisible by 6 and 9 is 18.
This is called a prime number.
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