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.
The largest decimal number is binary 11111, which is decimal 31.
The binary number represented by 00101111 is equivalent to the decimal number 47.
The binary number 1101 equals 13
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.
11 in binary notation is equivalent to the decimal number 3
11 (decimal) would be written in binary as 1011