As character names:

U+32D8 CIRCLED KATAKANA KE character (㋘)

As raw characters:

㋘

As a string of HTML entities:

㋘

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 152, hex 0x98, octal \230, binary 10011000
This is continuation byte 2, expecting 0 more.

U+32D8	CIRCLED KATAKANA KE
	# <circle> 30B1