As character names:

U+30D9 KATAKANA LETTER BE character (ベ)

As raw characters:

ベ

As a string of HTML entities:

ベ

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 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 2, expecting 0 more.

U+30D9	KATAKANA LETTER BE
	: 30D8 3099