As character names:

U+29B0 REVERSED EMPTY SET character (⦰)

As raw characters:

⦰

As a string of HTML entities:

⦰

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 166, hex 0xA6, octal \246, binary 10100110
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 176, hex 0xB0, octal \260, binary 10110000
This is continuation byte 2, expecting 0 more.

U+29B0	REVERSED EMPTY SET
	x (empty set - 2205)
	x (apl functional symbol circle backslash - 2349)