Khmer Digit Two
HTML Entity Browser Test:

U+17E2 is the Unicode hex value of the character Khmer Digit Two, which is categorized as "decimal digit number" in the Unicode 6.0 character table.

Unicode Character Information
Unicode Hex U+17E2
Character Name KHMER DIGIT TWO
General Category Decimal Digit Number [Code: Nd]
Canonical Combining Class 0
Bidirectional Category L
Numeric Value 2
Mirrored N
Unicode Character Encodings
Khmer Digit Two HTML Entity ២ (decimal entity), ២ (hex entity)
Windows Key Code Alt 6114 or Alt +17E21
Programming Source Code Encodings Python hex: u"\u17E2", Hex for C++ and Java: "\u17E2"
UTF-8 Hexadecimal Encoding 0xE19FA2
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 6114) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +17E2) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Khmer Digit Two character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.