As character names:

U+0640 ARABIC TATWEEL character (ـ)

As raw characters:

ـ

As a string of HTML entities:

ـ

Decoder output:

Byte number 1 is decimal 224, hex 0xE0, octal \340, binary 11100000
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 2, expecting 0 more.

U+0640	ARABIC TATWEEL
	= kashida
	* inserted to stretch characters or to carry tashkil with no base letter
	* also used with Adlam, Hanifi Rohingya, Mandaic, Manichaean, Psalter Pahlavi, Sogdian, and Syriac