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
96
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.
two- digit modifier
Modifier
Modifier
two- digit modifier
Modifier
Code on an integrated circuit includes four common sections: the manufacturer's name or logo, the part number, a part production batch number, and a four-digit code that identifies when the chip was manufactured. The manufacturing date is commonly represented as a two-digit year followed by a two-digit week code.
A credit card's security code, generally a 3 digit number, is located on the opposite side of the card from the actual credit card number and expiry date. On my cards, the security code is a rather small number just to the right of where you sign your name.
The 9-digit code number of an SBI branch, known as the IFSC code, is typically not printed directly on the cheque. Instead, you can find the branch code, which is a part of the 11-digit IFSC code, on the bottom right corner of the cheque leaf. Additionally, the cheque may display the bank's name, branch name, and account number, which can also help identify the branch. For the complete IFSC code, you may need to refer to your bank's official website or contact the branch directly.
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.