As character names:

U+1EE6 LATIN CAPITAL LETTER U WITH HOOK ABOVE character (Ủ)

As raw characters:

Ủ

As a string of HTML entities:

Ủ

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 166, hex 0xA6, octal \246, binary 10100110
This is continuation byte 2, expecting 0 more.

U+1EE6	LATIN CAPITAL LETTER U WITH HOOK ABOVE
	: 0055 0309