As character names:

U+0411 CYRILLIC CAPITAL LETTER BE character (Б)

As raw characters:

Б

As a string of HTML entities:

Б

Decoder output:

Byte number 1 is decimal 208, hex 0xD0, octal \320, binary 11010000
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 145, hex 0x91, octal \221, binary 10010001
This is continuation byte 1, expecting 0 more.

U+0411	CYRILLIC CAPITAL LETTER BE
	x (latin small letter b with topbar - 0183)