As character names:

U+30C5 KATAKANA LETTER DU character (ヅ)

As raw characters:

ヅ

As a string of HTML entities:

ヅ

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 131, hex 0x83, octal \203, binary 10000011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 133, hex 0x85, octal \205, binary 10000101
This is continuation byte 2, expecting 0 more.

U+30C5	KATAKANA LETTER DU
	= ZU (not unique)
	: 30C4 3099