?字UNICODE编码U+28A04,10进制: 166404,UTF-32: 00028A04,UTF-8: F0 A8 A8 84。(zI.Ttcx.NEt)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。(Zi.TTCX.NEt)