Dingbat Negative Circled Digit One
HTML Entity Browser Test:

U+2776 is the Unicode hex value of the character Dingbat Negative Circled Digit One, which is categorized as "other number" in the Unicode 6.0 character table.

"Dingbat Negative Circled Digit One" was previously named "INVERSE CIRCLED DIGIT ONE" in older versions of Unicode.

Unicode Character Information
Unicode Hex U+2776
Character Name DINGBAT NEGATIVE CIRCLED DIGIT ONE
Old Name INVERSE CIRCLED DIGIT ONE
General Category Other Number [Code: No]
Canonical Combining Class 0
Bidirectional Category ON
Numeric Value 1
Mirrored N
Unicode Character Encodings
Dingbat Negative Circled Digit One HTML Entity ❶ (decimal entity), ❶ (hex entity)
Windows Key Code Alt 10102 or Alt +27761
Programming Source Code Encodings Python hex: u"\u2776", Hex for C++ and Java: "\u2776"
UTF-8 Hexadecimal Encoding 0xE29DB6
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 10102) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +2776) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Dingbat Negative Circled Digit One character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.