ASCII 39
ASCII 39 is Apostrophe, written '.
Every representation
| Character | ' |
| Name | Apostrophe |
| Decimal | 39 |
| Hexadecimal | 0x27 |
| Octal | 0047 |
| Binary | 00100111 |
| HTML entity | ' or ' |
| Escape sequence | \\' |
| Unicode | U+0027 |
| Group | Punctuation or symbol |
What it is for
Apostrophe or single quote. The most common cause of SQL injection when string concatenation is used instead of parameters.
Where the number comes from
Codes 32 to 126 hold the printable characters. The punctuation was distributed around the letters and digits so that the most common characters fell into positions that were convenient for the teleprinter keyboards of the time.
Frequently asked questions
What is ASCII 39?
Apostrophe, the character '. In hexadecimal it is 0x27, in octal 0047, and in binary 00100111.
How do I type ASCII 39?
Type ' directly. In a string literal it can also be written \\x27, and in HTML as ' or '.
Is ASCII 39 printable?
Yes. Codes 32 to 126 are the printable range, which is every character ASCII can actually display.
Nearby codes
- ASCII 32 — space
- ASCII 33 — !
- ASCII 34 — "
- ASCII 35 — #
- ASCII 36 — $
- ASCII 37 — %
- ASCII 38 — &
- ASCII 40 — (
- ASCII 41 — )
- ASCII 42 — *
- ASCII 43 — +
- ASCII 44 — ,
- ASCII 45 — -
- ASCII 46 — .
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