As character names:

U+1D7C4 MATHEMATICAL SANS-SERIF BOLD ITALIC EPSILON SYMBOL character (𝟄)

As raw characters:

𝟄

As a string of HTML entities:

𝟄

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 157, hex 0x9D, octal \235, binary 10011101
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 132, hex 0x84, octal \204, binary 10000100
This is continuation byte 3, expecting 0 more.

U+1D7C4	MATHEMATICAL SANS-SERIF BOLD ITALIC EPSILON SYMBOL
	# <font> 03F5 greek lunate epsilon symbol