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
Digital electronics devices handle numbers in the form of the binary system. That is, the numbers are represented in base-2, with only two digits. That way, when a digit comes along, it's much easier for the electronic device to decide what digit it is.
96
Another name for the Binary Number System is the base-2 numeral system. In this system, numbers are represented using only two symbols, typically 0 and 1. Each digit in a binary number represents a power of 2, with the rightmost digit representing 2^0 (1), the next digit representing 2^1 (2), and so on.
A 12-digit number is called a trillion. In the International System of Numeration, each group of three digits is named based on powers of a thousand. Therefore, a 12-digit number would represent a quantity in the trillions.
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.
two- digit modifier
check digit
digit
symbol of number= #
infinity
'Number' or 'digit'.