As character names:

U+1EC6 LATIN CAPITAL LETTER E WITH CIRCUMFLEX AND DOT BELOW character (Ệ)

As raw characters:

Ệ

As a string of HTML entities:

Ệ

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 134, hex 0x86, octal \206, binary 10000110
This is continuation byte 2, expecting 0 more.

U+1EC6	LATIN CAPITAL LETTER E WITH CIRCUMFLEX AND DOT BELOW
	: 1EB8 0302