111111112 = 1000000002 - 12 = [in decimal] 28 - 1 = 64 - 1 = 63
Chat with our AI personalities
Decimal 181 in binary is 10110101
232
The binary value 1000 0000 represents the decimal number 128. In binary, each digit's place value doubles from right to left, starting at 1. Therefore, the rightmost digit is 1, representing 2^0, and the leftmost digit is 1, representing 2^7, which equals 128 in decimal.
Converted to decimal, the binary number 10111011 would be expressed as 187. If the space in the question indicates a separation between two numbers, then "1011 1011" would be expressed in decimal notation as "11 11".
To calculate the decimal value of a bit string: Number the bits from right to left 0 - n. Starting with a decimal value of 0, add 2^(Number of that digit) for each 1 you see in your bit string. The sum is the decimal equivalent to the binary number.