As character names:

U+10A89 OLD NORTH ARABIAN LETTER TEH character (𐪉)

As raw characters:

𐪉

As a string of HTML entities:

𐪉

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 170, hex 0xAA, octal \252, binary 10101010
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+10A89	OLD NORTH ARABIAN LETTER TEH
	* transliterated as t
	x (ethiopic syllable ta - 1270)
	x (old south arabian letter taw - 10A69)