As character names:

U+109D9 MEROITIC CURSIVE NUMBER EIGHT HUNDRED character (𐧙)

As raw characters:

𐧙

As a string of HTML entities:

𐧙

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 144, hex 0x90, octal \220, binary 10010000
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 167, hex 0xA7, octal \247, binary 10100111
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 3, expecting 0 more.

U+109D9	MEROITIC CURSIVE NUMBER EIGHT HUNDRED