As character names:

U+1EC8 LATIN CAPITAL 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 136, hex 0x88, octal \210, binary 10001000
This is continuation byte 2, expecting 0 more.

U+1EC8	LATIN CAPITAL LETTER I WITH HOOK ABOVE
	: 0049 0309