As character names:

U+17C6 KHMER SIGN NIKAHIT 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 134, hex 0x86, octal \206, binary 10000110
This is continuation byte 2, expecting 0 more.

U+17C6	KHMER SIGN NIKAHIT
	= srak am
	= anusvara
	* final nasalization
	* this character is usually regarded as a vowel sign am, along with om and aam
	x (thai character nikhahit - 0E4D)
	x (myanmar sign anusvara - 1036)