As character names:

U+A069 YI SYLLABLE BBEX character (ꁩ)

As raw characters:

ꁩ

As a string of HTML entities:

ꁩ

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 129, hex 0x81, octal \201, binary 10000001
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 169, hex 0xA9, octal \251, binary 10101001
This is continuation byte 3, expecting 0 more.

U+A069	YI SYLLABLE BBEX