As character names:

U+F9EF CJK COMPATIBILITY IDEOGRAPH-F9EF character (璘)

As raw characters:

璘

As a string of HTML entities:

璘

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

Byte number 3 is decimal 167, hex 0xA7, octal \247, binary 10100111
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 3, expecting 0 more.

U+F9EF	CJK COMPATIBILITY IDEOGRAPH-F9EF
	: 7498