Digit Eight
HTML Entity Browser Test:

U+0038 is the Unicode hex value of the character Digit Eight, which is categorized as "decimal digit number" in the Unicode 6.0 character table.

Unicode Character Information
Unicode Hex U+0038
Character Name DIGIT EIGHT
General Category Decimal Digit Number [Code: Nd]
Canonical Combining Class 0
Bidirectional Category EN
Numeric Value 8
Mirrored N
Unicode Character Encodings
Digit Eight HTML Entity 8 (decimal entity), 8 (hex entity)
Windows Key Code Alt 0056 or Alt +00381
Programming Source Code Encodings Python hex: u"\u0038", Hex for C++ and Java: "\u0038"
UTF-8 Hexadecimal Encoding 0x38
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 0056) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +0038) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Digit Eight character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.