在数学和数字电子学中，十六进制数（也称为十六进制，或hex）是一种使用十六进制数字系统表示的数字，其基数或基数为16。
Use this hexadecimal converter to switch between decimal and hexadecimal instantly, with the matching binary value shown at the same time. It is useful for decimal to hexadecimal, hexadecimal to decimal, and quick number-base checks in programming, electronics, and study.
This page is best for fast whole-number conversions when you want to see how a decimal value is written in base 16, or when you need to turn a hex value back into standard decimal notation. The built-in binary output also helps when you compare hex, binary, and decimal side by side.
初始数据
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十六进制对照表
| 小数（正数） | 十六进制数字 |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | A |
| 小数（正数） | 十六进制数字 |
|---|---|
| 11 | B |
| 12 | C |
| 13 | D |
| 14 | E |
| 15 | F |
| 16 | 10 |
| 32 | 20 |
| 64 | 40 |
| 128 | 80 |
| 256 | 100 |
| 512 | 200 |