As character names:

U+23F6 BLACK MEDIUM UP-POINTING TRIANGLE character (⏶)

As raw characters:

⏶

As a string of HTML entities:

⏶

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 182, hex 0xB6, octal \266, binary 10110110
This is continuation byte 2, expecting 0 more.

U+23F6	BLACK MEDIUM UP-POINTING TRIANGLE
	= increase
	* preferred to 25B2 black up-pointing triangle
	x (black medium up-pointing triangle centred - 2BC5)
	x (black up-pointing isosceles right triangle - 1F781)