As character names:

U+17D1 KHMER SIGN VIRIAM 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 145, hex 0x91, octal \221, binary 10010001
This is continuation byte 2, expecting 0 more.

U+17D1	KHMER SIGN VIRIAM
	* mostly obsolete, a "killer"
	* indicates that the base character is the final consonant of a word without its inherent vowel sound