As character names:

U+25B3 WHITE 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 150, hex 0x96, octal \226, binary 10010110
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 179, hex 0xB3, octal \263, binary 10110011
This is continuation byte 2, expecting 0 more.

U+25B3	WHITE UP-POINTING TRIANGLE
	= trine
	x (combining enclosing upward pointing triangle - 20E4)
	x (increment - 2206)
	x (triangle with rounded corners - 1F6C6)
	x (alchemical symbol for fire - 1F702)