check digit
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.
I don't know if it's the only number but the number 4 has four letters in it's name.
1234567890
96
infinity
The answer is the number "two." The riddle is describing the number of letters in each word: "two" has three letters, "four" has four letters, "six" has three letters, "eight" has five letters.
Barbados and Botswana have 8 letters in their name. Colombia and Malaysia have 8 letters in their name.
What is 36 single digit number
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.
A 24-digit number is called a septillion, as it consists of 24 individual numerical digits. In the context of computing, a 24-digit number can also be referred to as a "double precision" floating-point number, typically used to represent very large or very small values with high precision. In mathematics, a 24-digit number can be used to express extremely large quantities or precise measurements.
Just that - a 26-digit number. There is no special name for that.
check digit
digit
two- digit modifier
It is called a twelve-digit number. Its exact name will depend on the number.
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