As character names:

U+FA21 CJK COMPATIBILITY IDEOGRAPH-FA21 character (﨡)

As raw characters:

﨡

As a string of HTML entities:

﨡

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 168, hex 0xA8, octal \250, binary 10101000
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 161, hex 0xA1, octal \241, binary 10100001
This is continuation byte 3, expecting 0 more.

U+FA21	CJK COMPATIBILITY IDEOGRAPH-FA21
	* a CJK unified ideograph