As character names:

U+309B KATAKANA-HIRAGANA VOICED SOUND MARK character (゛)

As raw characters:

゛

As a string of HTML entities:

゛

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 130, hex 0x82, octal \202, binary 10000010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 155, hex 0x9B, octal \233, binary 10011011
This is continuation byte 2, expecting 0 more.

U+309B	KATAKANA-HIRAGANA VOICED SOUND MARK
	# 0020 3099