That would be 216 - 1, or 65535.
It is 31.
101010 = 42
216-1 or (2^16)-1
The Largest 4Bytes Hex number is FFFF FFFF which is 65535 in decimal.
255 as a decimal number (also known as a base 10 number) = 11111111 in binary (also known as a base 2 number). In binary, each digit is known as a bit, and 8 bits are known as 1 byte. 255 is the largest (positive) number you can make in binary using only 8 bits (1 byte).
The largest decimal number is binary 11111, which is decimal 31.
It is 31.
Every decimal number can be represented by a binary number - and conversely.
The decimal number 101 is represented by the binary number 1100101.
The decimal number 58 is represented by the binary number 111010.
221
The biggest number that can be represented in one byte is 11111111. Binary numbers have the ability to added together in a fashion similar to decimal numbers.
The binary number represented by 00101111 is equivalent to the decimal number 47.
101010 = 42
Just as in decimal, you can put a minus sign in front. For example, if 101 (binary) is decimal 5, then -101 (binary) is decimal -5.
Infinity - 1
11 (decimal) would be written in binary as 1011