As character names:

U+03C9 GREEK SMALL LETTER OMEGA character (ω)

As raw characters:

ω

As a string of HTML entities:

ω

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 137, hex 0x89, octal \211, binary 10001001
This is continuation byte 1, expecting 0 more.

U+03C9	GREEK SMALL LETTER OMEGA
	x (latin small letter omega - A7B7)