As character names:

U+19FF KHMER SYMBOL DAP-PRAM ROC 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 167, hex 0xA7, octal \247, binary 10100111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 2, expecting 0 more.

U+19FF	KHMER SYMBOL DAP-PRAM ROC