As character names:

U+17C9 KHMER SIGN MUUSIKATOAN character (៉)

As raw characters:

៉

As a string of HTML entities:

៉

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

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

Byte number 3 is decimal 137, hex 0x89, octal \211, binary 10001001
This is continuation byte 2, expecting 0 more.

U+17C9	KHMER SIGN MUUSIKATOAN
	* changes the second register to the first
	* the preferred transliteration is muusekatoan