First you need to know what type of number it is... decimal then you open the calculator on your desktop, click view then scientific then set it to decimal (dec.) type in your number then click hex... and wha-la it turns your number into hex.
answer is 320
0xFF or FF.
205 = cd
16
200 = C8
13 = d
1234 = 4d2
101101101 = 16D
in hexidecimal, ten is A in binary, ten is 1010
16 16
AD plus AD in hexidecimal = 15A
The binary equivalent of Hexidecimal B3 = 1011 0011
MAC address...