96
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.
1234567890
binary system
A number with 50 digits is typically referred to as a "50-digit number." In terms of numerical representation, it can be classified as a large integer. If you're looking for a specific term related to its mathematical properties, there isn't a unique name beyond simply describing it by its digit count.
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.
digit
check digit
two- digit modifier
symbol of number= #
infinity
'Number' or 'digit'.
Modifier
Modifier