As character names:

U+2801 BRAILLE PATTERN DOTS-1 character (⠁)

As raw characters:

⠁

As a string of HTML entities:

⠁

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 160, hex 0xA0, octal \240, binary 10100000
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 129, hex 0x81, octal \201, binary 10000001
This is continuation byte 2, expecting 0 more.

U+2801	BRAILLE PATTERN DOTS-1