As character names:

U+AABE TAI VIET VOWEL AM character (ꪾ)

As raw characters:

ꪾ

As a string of HTML entities:

ꪾ

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 170, hex 0xAA, octal \252, binary 10101010
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 190, hex 0xBE, octal \276, binary 10111110
This is continuation byte 3, expecting 0 more.

U+AABE	TAI VIET VOWEL AM