General information

ID 8709
HEX 2205
Unicode name EMPTY SET
Unicode group Mathematical Operators
Unicode Code Point U+2205


HTML Entity (name) ∅
HTML Entity (decimal) ∅
HTML Entity (hex) ∅
C / C++ / Java "\u2205"
Python u"\u2205"

How to type ∅

Microsoft Office write 2205 then press Alt + X
Microsoft Office (alternative) write U+2205 then press Alt + X
Apple Mac Hold Alt, type 2 2 0 5 then release
Apple Mac (alternative) Hold Option, type 2 2 0 5 then release

UTF Encodings

UTF-8 (hex) 0x2205
UTF-8 (octal) 21005
UTF-8 (binary) 10001000000101
UTF-16 (hex) 0x2205
UTF-16 (decimal) 8709
UTF-32 (hex) 0x00002205
UTF-32 (decimal) 8709
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