As character names:

U+1F700 ALCHEMICAL SYMBOL FOR QUINTESSENCE 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 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 156, hex 0x9C, octal \234, binary 10011100
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 3, expecting 0 more.

U+1F700	ALCHEMICAL SYMBOL FOR QUINTESSENCE