As character names:

U+09E9 BENGALI DIGIT THREE character (৩)

As raw characters:

৩

As a string of HTML entities:

৩

Decoder output:

Byte number 1 is decimal 224, hex 0xE0, octal \340, binary 11100000
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 167, hex 0xA7, octal \247, binary 10100111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 169, hex 0xA9, octal \251, binary 10101001
This is continuation byte 2, expecting 0 more.

U+09E9	BENGALI DIGIT THREE