03DA GREEK LETTER STIGMA * apparently in origin a cursive form of digamma * the name "stigma" originally applied to a medieval sigma-tau ligature, whose shape was confusably similar to the cursive digamma * used as a symbol with a numeric value of 6 x (roman numeral six late form - 2185) U+03DA, character Ϛ, decimal 986, hex 0x3DA, octal \1732, binary 1111011010 UTF-8: 0xcf 0x9a 2185 ROMAN NUMERAL SIX LATE FORM x (greek letter stigma - 03DA) U+2185, character ↅ, decimal 8581, hex 0x2185, octal \20605, binary 10000110000101 UTF-8: 0xe2 0x86 0x85