As character names:

U+0101 LATIN SMALL LETTER A WITH MACRON character (ā)

As raw characters:

ā

As a string of HTML entities:

ā

Decoder output:

Byte number 1 is decimal 196, hex 0xC4, octal \304, binary 11000100
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 129, hex 0x81, octal \201, binary 10000001
This is continuation byte 1, expecting 0 more.

U+0101	LATIN SMALL LETTER A WITH MACRON
	* Latvian, Latin, ...
	: 0061 0304