As character names:

U+2124 DOUBLE-STRUCK CAPITAL Z character (ℤ)

As raw characters:

ℤ

As a string of HTML entities:

ℤ

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 164, hex 0xA4, octal \244, binary 10100100
This is continuation byte 2, expecting 0 more.

U+2124	DOUBLE-STRUCK CAPITAL Z
	= the set of integers
	# <font> 005A latin capital letter z