As character names:

U+1EEC LATIN CAPITAL LETTER U WITH HORN AND HOOK ABOVE character (Ử)

As raw characters:

Ử

As a string of HTML entities:

Ử

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 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 2, expecting 0 more.

U+1EEC	LATIN CAPITAL LETTER U WITH HORN AND HOOK ABOVE
	: 01AF 0309