As character names:

U+1F1E9 REGIONAL INDICATOR SYMBOL LETTER D 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 169, hex 0xA9, octal \251, binary 10101001
This is continuation byte 3, expecting 0 more.

U+1F1E9	REGIONAL INDICATOR SYMBOL LETTER D