As character names:

U+03C0 GREEK SMALL LETTER PI character (π)

As raw characters:

π

As a string of HTML entities:

π

Decoder output:

Byte number 1 is decimal 207, hex 0xCF, octal \317, binary 11001111
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 1, expecting 0 more.

U+03C0	GREEK SMALL LETTER PI
	* math constant 3.141592...