Deseret Capital Letter Oi
HTML Entity Browser Test:

U+10426 is the Unicode hex value of the character Deseret Capital Letter Oi, which is categorized as "uppercase letter" in the Unicode 6.0 character table.

Unicode Character Information
Unicode Hex U+10426
General Category Uppercase Letter [Code: Lu]
Canonical Combining Class 0
Bidirectional Category L
Mirrored N
Lowercase Version U+1044E
Unicode Character Encodings
Deseret Capital Letter Oi HTML Entity 𐐦 (decimal entity), 𐐦 (hex entity)
Windows Key Code Alt 66598 or Alt +104261
Programming Source Code Encodings Python hex: u"\u10426", Hex for C++ and Java: "\u10426"
UTF-8 Hexadecimal Encoding 0xF09090A6
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 66598) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +10426) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Deseret Capital Letter Oi character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.