As character names:

U+03FE GREEK CAPITAL DOTTED LUNATE SIGMA SYMBOL character (Ͼ)

As raw characters:

Ͼ

As a string of HTML entities:

Ͼ

Decoder output:

Byte number 1 is decimal 207, hex 0xCF, octal \317, binary 11001111
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 190, hex 0xBE, octal \276, binary 10111110
This is continuation byte 1, expecting 0 more.

U+03FE	GREEK CAPITAL DOTTED LUNATE SIGMA SYMBOL
	= sigma periestigmenon