As character names:

U+2149 DOUBLE-STRUCK ITALIC SMALL J character (ⅉ)

As raw characters:

ⅉ

As a string of HTML entities:

ⅉ

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 133, hex 0x85, octal \205, binary 10000101
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 137, hex 0x89, octal \211, binary 10001001
This is continuation byte 2, expecting 0 more.

U+2149	DOUBLE-STRUCK ITALIC SMALL J
	* sometimes used for the imaginary unit
	# <font> 006A latin small letter j