Enclosed Alphanumeric Supplement: Digit Zero Full Stop

Plane: 1 (Supplementary Multilingual)
Block: Enclosed Alphanumeric Supplement
Unicode Version: 5.2

UTF-32BE: 00 01 F1 00
UTF-32LE: 00 F1 01 00
UTF-16BE: D8 3C DD 00
UTF-16LE: 3C D8 00 DD
UTF-8: F0 9F 84 80

Character Escapes

HTML5: 🄀; 🄀
C: \U01F100 (C99)
C++: \u{1F100} (C++23); \U0001F100
Java: \uD83C\uDD00
JavaScript: \u{1F100}
CSS: \1F100; \01F100
Quoted-Printable: =F0=9F=84=80
URL: %F0%9F%84%80