二进制 number is a number expressed in the base 2 numeral system. 二进制 number's digits have 2 symbols: zero (0) and one (1). Each digit of a binary number counts a power of 2.
二进制 number example:
11012 = 1×23+1×22+0×21+1×20 = 1310
十六进制 number is a number expressed in the base 16 numeral system. 十六进制 number's digits have 16 symbols: 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F. Each digit of a hexadecimal number counts a power of 16.
十六进制 number example:
62C16 = 6×162+2×161+12×160 = 158010
转换 every 4 binary digits (start from bit 0) to 1 hex digit, with this table:
| 二进制 | 十六进制 |
|---|---|
| 0000 | 0 |
| 0001 | 1 |
| 0010 | 2 |
| 0011 | 3 |
| 0100 | 4 |
| 0101 | 5 |
| 0110 | 6 |
| 0111 | 7 |
| 1000 | 8 |
| 1001 | 9 |
| 1010 | A |
| 1011 | B |
| 1100 | C |
| 1101 | D |
| 1110 | E |
| 1111 | F |
转换 binary 11011002 转换为十六进制：
转换 every 4 binary bits (from bit0) to hex digit:
11011002 = 110 1100 = 6 C = 6C16
