Hash/pound

Decimal: 35

Hex: 23

Symbol

Decimal

Hexadecimal

0x23

Character

JavaScript (from decimal)

String.fromCharCode(35); // "#"

JavaScript (to decimal)

"#".charCodeAt(0); // 35

Python

chr(35)  # "#"
ord("#")  # 35

C/C++

char c = 35;  // '#'
int code = '#';  // 35

Symbol characters include punctuation marks, mathematical operators, and special characters used in programming and text formatting.

Exclamation mark

Double quote

Dollar sign

Percent sign

Ampersand

Single quote