General information

ID 8660
Char
Unicode name LEFT RIGHT DOUBLE ARROW
Unicode group Arrows
Unicode Code Point U+21D4
HTML Entity (name) ⇔
HTML Entity (decimal) ⇔
HTML Entity (hex) ⇔
UTF-8 (hex) 0x21D4
UTF-8 (octal) 20724
UTF-8 (binary) 10000111010100
UTF-16 (hex) 0x21D4
UTF-16 (decimal) 8660
UTF-32 (hex) 0x000021D4
UTF-32 (decimal) 8660

How to type ⇔

Microsoft Office write 21d4 then press Alt + X
Microsoft Office (alternative) write U+21d4 then press Alt + X
Apple Mac Hold Alt, type 2 1 D 4 then release
Apple Mac (alternative) Hold Option, type 2 1 D 4 then release
C / C++ / Java "\u21D4"
Python u"\u21D4"