As character names:

U+1E800 MENDE KIKAKUI SYLLABLE M001 KI character (𞠀)

As raw characters:

𞠀

As a string of HTML entities:

𞠀

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 158, hex 0x9E, octal \236, binary 10011110
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 160, hex 0xA0, octal \240, binary 10100000
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 3, expecting 0 more.

U+1E800	MENDE KIKAKUI SYLLABLE M001 KI