Latin Capital Letter Insular D
HTML Entity Browser Test:

U+A779 is the Unicode hex value of the character Latin Capital Letter Insular D, which is categorized as "uppercase letter" in the Unicode 6.0 character table.

Unicode Character Information
Unicode Hex U+A779
General Category Uppercase Letter [Code: Lu]
Canonical Combining Class 0
Bidirectional Category L
Mirrored N
Lowercase Version U+A77A
Unicode Character Encodings
Latin Capital Letter Insular D HTML Entity Ꝺ (decimal entity), Ꝺ (hex entity)
Windows Key Code Alt 42873 or Alt +A7791
Programming Source Code Encodings Python hex: u"\uA779", Hex for C++ and Java: "\uA779"
UTF-8 Hexadecimal Encoding 0xEA9DB9
1 To type a Unicode symbol in Windows, hold down the ALT key and enter the decimal or hexadecimal code provided using the numeric keypad. The decimal alt code (Alt 42873) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +A779) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Latin Capital Letter Insular D character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.