As character names:

U+32D4 CIRCLED KATAKANA O character (㋔)

As raw characters:

㋔

As a string of HTML entities:

㋔

Decoder output:

Byte number 1 is decimal 227, hex 0xE3, octal \343, binary 11100011
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 139, hex 0x8B, octal \213, binary 10001011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 148, hex 0x94, octal \224, binary 10010100
This is continuation byte 2, expecting 0 more.

U+32D4	CIRCLED KATAKANA O
	# <circle> 30AA