Convert 11111111 from binaryHow to convert number 11111111 from binary to decimal, octal, hexadecimal?  
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Binary to DecimalConvert 11111111_{2} to decimal:11111111_{2} = 255_{10} 
binary  1  1  1  1  1  1  1  1  step 0 
decimal  (1*2^{7}) +  (1*2^{6}) +  (1*2^{5}) +  (1*2^{4}) +  (1*2^{3}) +  (1*2^{2}) +  (1*2^{1}) +  (1*2^{0})  step 1 
decimal 255 = 
128 +  64 +  32 +  16 +  8 +  4 +  2 +  1  step 2 
Binary to OctalConvert 11111111_{2} to octal:11111111_{2} = 11 111 111 = 377_{8} 
binary 11111111 11 111 111 
11  111  111  step 0 
octal 377 
3  7  7  step 1 
Binary to HexadecimalConvert 11111111_{2} to hexadecimal:11111111_{2} = 1111 1111 = FF_{16} 
binary 11111111 
1111  1111  step 0 
hexadecimal FF 
F  F  step 1 
Convert other numbers: 
11111010 11111011 11111100 11111101 11111110 11111111 100000000 100000001 100000010 100000011 100000100 
binary  
measurement units  