As character names:

U+018F LATIN CAPITAL LETTER SCHWA character (Ə)

As raw characters:

Ə

As a string of HTML entities:

Ə

Decoder output:

Byte number 1 is decimal 198, hex 0xC6, octal \306, binary 11000110
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 0 more.

U+018F	LATIN CAPITAL LETTER SCHWA
	* Azerbaijani, ...
	* lowercase is 0259
	x (cyrillic capital letter schwa - 04D8)