As character names:

U+3379 SQUARE DM CUBED character (㍹)

As raw characters:

㍹

As a string of HTML entities:

㍹

Decoder output:

Byte number 1 is decimal 227, hex 0xE3, octal \343, binary 11100011
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 141, hex 0x8D, octal \215, binary 10001101
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 185, hex 0xB9, octal \271, binary 10111001
This is continuation byte 2, expecting 0 more.

U+3379	SQUARE DM CUBED
	# <square> 0064 006D 00B3