The number 31 (decimal) can be represented as a binary number this way:
11111
...which is 1 + 2 + 4 + 8 + 16 = 31
Note the number 31 is one less than a power of two. Numbers like that are always strings of 1's for binary digits.
Chat with our AI personalities
The only two numbers that represent a binary digit are 0 and 1
A check digit can be added to any set of numbers primarily to check for errors in the data. The check digit is seen as an equivalent to binary checksum which is used for the older and now less used binary system.
A bit.
0011 0100
11111