As character names:

U+2131 SCRIPT CAPITAL F character (ℱ)

As raw characters:

ℱ

As a string of HTML entities:

ℱ

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 177, hex 0xB1, octal \261, binary 10110001
This is continuation byte 2, expecting 0 more.

U+2131	SCRIPT CAPITAL F
	= Fourier transform
	~ 2131 FE00 chancery style
	~ 2131 FE01 roundhand style
	# <font> 0046 latin capital letter f