EMPTY SET WITH SMALL CIRCLE ABOVE
U+29B2
⦲
Block
Miscellaneous Mathematical Symbols-B
Category
Math Symbol
UTF-8
0xE2 0xA6 0xB2
UTF-16
0xFF 0xFE 0xB2 0x29
UTF-32
0xFF 0xFE 0x0 0x0 0xB2 0x29 0x0 0x0
HTML
⦲
Python
u"\u29B2"