Greek Capital Letter Omega With Oxia
HTML Entity Browser Test:

U+1FFB is the Unicode hex value of the character Greek Capital Letter Omega With Oxia, which is categorized as "uppercase letter" in the Unicode 6.0 character table.

In addition, U+1FFB is a composite character comprising of one or more other Unicode characters modified or combined.

Unicode Character Information
Unicode Hex U+1FFB
Character Name GREEK CAPITAL LETTER OMEGA WITH OXIA
General Category Uppercase Letter [Code: Lu]
Canonical Combining Class 0
Bidirectional Category L
Decomposition Mapping 038F
Mirrored N
Lowercase Version U+1F7D
Unicode Character Encodings
Greek Capital Letter Omega With Oxia HTML Entity Ώ (decimal entity), Ώ (hex entity)
Windows Key Code Alt 8187 or Alt +1FFB1
Programming Source Code Encodings Python hex: u"\u1FFB", Hex for C++ and Java: "\u1FFB"
UTF-8 Hexadecimal Encoding 0xE1BFBB
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 8187) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +1FFB) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Greek Capital Letter Omega With Oxia character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.