As character names:

U+1EC9 LATIN SMALL LETTER I WITH HOOK ABOVE character (ỉ)

As raw characters:

ỉ

As a string of HTML entities:

ỉ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 137, hex 0x89, octal \211, binary 10001001
This is continuation byte 2, expecting 0 more.

U+1EC9	LATIN SMALL LETTER I WITH HOOK ABOVE
	: 0069 0309