As character names:

U+A73F LATIN SMALL LETTER REVERSED C WITH DOT character (ꜿ)

As raw characters:

ꜿ

As a string of HTML entities:

ꜿ

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 156, hex 0x9C, octal \234, binary 10011100
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 3, expecting 0 more.

U+A73F	LATIN SMALL LETTER REVERSED C WITH DOT
	x (greek small reversed dotted lunate sigma symbol - 037D)