As character names:

U+25CE BULLSEYE 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 151, hex 0x97, octal \227, binary 10010111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 142, hex 0x8E, octal \216, binary 10001110
This is continuation byte 2, expecting 0 more.

U+25CE	BULLSEYE
	x (circled ring operator - 229A)
	x (heavy circle with circle inside - 2B57)
	x (direct hit - 1F3AF)
	x (round target - 1F78B)