As character names:

U+FBF9 ARABIC LIGATURE UIGHUR KIRGHIZ YEH WITH HAMZA ABOVE WITH ALEF MAKSURA ISOLATED FORM character (ﯹ)

As raw characters:

ﯹ

As a string of HTML entities:

ﯹ

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 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 185, hex 0xB9, octal \271, binary 10111001
This is continuation byte 3, expecting 0 more.

U+FBF9	ARABIC LIGATURE UIGHUR KIRGHIZ YEH WITH HAMZA ABOVE WITH ALEF MAKSURA ISOLATED FORM
	* FC03 has the same compatibility decomposition, but is a distinct presentation variant
	x (arabic ligature yeh with hamza above with alef maksura isolated form - FC03)
	# <isolated> 0626 0649