As character names:

U+22A4 DOWN TACK 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 164, hex 0xA4, octal \244, binary 10100100
This is continuation byte 2, expecting 0 more.

U+22A4	DOWN TACK
	= top
	x (raised interpolation marker - 2E06)
	x (alchemical symbol for crucible-4 - 1F768)