As character names:

U+2102 DOUBLE-STRUCK CAPITAL C character (ℂ)

As raw characters:

ℂ

As a string of HTML entities:

ℂ

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 132, hex 0x84, octal \204, binary 10000100
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 130, hex 0x82, octal \202, binary 10000010
This is continuation byte 2, expecting 0 more.

U+2102	DOUBLE-STRUCK CAPITAL C
	= the set of complex numbers
	# <font> 0043 latin capital letter c