As character names:

U+138BF EGYPTIAN HIEROGLYPH-138BF character (𓢿)

As raw characters:

𓢿

As a string of HTML entities:

𓢿

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 147, hex 0x93, octal \223, binary 10010011
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 162, hex 0xA2, octal \242, binary 10100010
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 3, expecting 0 more.

U+138BF	EGYPTIAN HIEROGLYPH-138BF
	* logogram (to be hidden) : štꜣ