As character names:

U+1F53D DOWN-POINTING SMALL RED TRIANGLE 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 148, hex 0x94, octal \224, binary 10010100
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+1F53D	DOWN-POINTING SMALL RED TRIANGLE
	= play arrow down
	x (black down-pointing small triangle - 25BE)