As character names:

U+228B SUPERSET OF WITH NOT EQUAL TO 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 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 139, hex 0x8B, octal \213, binary 10001011
This is continuation byte 2, expecting 0 more.

U+228B	SUPERSET OF WITH NOT EQUAL TO
	~ 228B FE00 with stroke through bottom members