| １０進法 decimal | １６新法 xexadecimal | ２進法 binary number |
| 0 | 0 | 0 |
| 1 | 1 | 1 |
| 2 | 2 | 10 |
| 3 | 3 | 11 |
| 4 | 4 | 100 |
| 5 | 5 | 101 |
| 6 | 6 | 110 |
| 7 | 7 | 111 |
| 8 | 8 | 1000 |
| 9 | 9 | 1001 |
| 10 | A | 1010 |
| 11 | B | 1011 |
| 12 | C | 1100 |
| 13 | D | 1101 |
| 14 | E | 1110 |
| 15 | F | 1111 |
| 16 | 10 | 10000 |
| 17 | 11 | 10001 |
| 18 | 12 | 10010 |
| 19 | 13 | 10011 |
| 20 | 14 | 10100 |
| 21 | 15 | 10101 |
| 22 | 16 | 10110 |
| 23 | 17 | 10111 |
| 24 | 18 | 11000 |
| 25 | 19 | 11001 |
| 26 | 1A | 11010 |
| 27 | 1B | 11011 |
| 28 | 1C | 11100 |
16進数 xexadecimal digit
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