As character names:

U+1BEF BATAK VOWEL SIGN U FOR SIMALUNGUN SA 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 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 2, expecting 0 more.

U+1BEF	BATAK VOWEL SIGN U FOR SIMALUNGUN SA
	= haboritan for simalungun sa