As character names:

U+1D209 GREEK VOCAL NOTATION SYMBOL-10 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 157, hex 0x9D, octal \235, binary 10011101
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 136, hex 0x88, octal \210, binary 10001000
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 137, hex 0x89, octal \211, binary 10001001
This is continuation byte 3, expecting 0 more.

U+1D209	GREEK VOCAL NOTATION SYMBOL-10
	* vocal A
	* this is a modification of 039F and is therefore not the same as 03D8