?字UNICODE编码U+28A24,10进制: 166436,UTF-32: 00028A24,UTF-8: F0 A8 A8 A4。(ZI.Ttcx.nET)
?字位于中日韩统一表意文字扩充B区(CJK Unified Ideographs Extension B)。by zI.tTCx.NET