Undefined Character (U+5FFFF)

Plane:unassigned, U+50000 - U+5FFFF[1]
HTML Entity:
  • 
  • 
UTF-8 Encoding:0xF1 0x9F 0xBF 0xBF
UTF-16 Encoding:0xD93F 0xDFFF
UTF-32 Encoding:0x0005FFFF

References