As character names:

U+0251 LATIN SMALL LETTER ALPHA character (ɑ)

As raw characters:

ɑ

As a string of HTML entities:

ɑ

Decoder output:

Byte number 1 is decimal 201, hex 0xC9, octal \311, binary 11001001
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+0251	LATIN SMALL LETTER ALPHA
	= latin small letter script a (1.0)
	* low back unrounded vowel
	* the representative glyph appears like an allograph of Latin "a", but sometimes the character is rendered more like a Greek "α"
	* uppercase is 2C6D
	x (greek small letter alpha - 03B1)