Javanese Digit Nine
HTML Entity Browser Test:

U+A9D9 is the Unicode hex value of the character Javanese Digit Nine, which is categorized as "decimal digit number" in the Unicode 6.0 character table.

Unicode Character Information
Unicode Hex U+A9D9
General Category Decimal Digit Number [Code: Nd]
Canonical Combining Class 0
Bidirectional Category L
Numeric Value 9
Mirrored N
Unicode Character Encodings
Javanese Digit Nine HTML Entity ꧙ (decimal entity), ꧙ (hex entity)
Windows Key Code Alt 43481 or Alt +A9D91
Programming Source Code Encodings Python hex: u"\uA9D9", Hex for C++ and Java: "\uA9D9"
UTF-8 Hexadecimal Encoding 0xEAA799
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 43481) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +A9D9) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Javanese Digit Nine character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.