As character names:

U+29BF CIRCLED BULLET character (⦿)

As raw characters:

⦿

As a string of HTML entities:

⦿

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 166, hex 0xA6, octal \246, binary 10100110
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+29BF	CIRCLED BULLET
	* forms part of a graduated set of circles with enclosed black circle of different sizes
	x (circled dot operator - 2299)
	x (fisheye - 25C9)
	x (n-ary circled dot operator - 2A00)