As character names:

U+1F1FD REGIONAL INDICATOR SYMBOL LETTER X 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 135, hex 0x87, octal \207, binary 10000111
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 189, hex 0xBD, octal \275, binary 10111101
This is continuation byte 3, expecting 0 more.

U+1F1FD	REGIONAL INDICATOR SYMBOL LETTER X