‭ ʹ  0374       GREEK NUMERAL SIGN
        = dexia keraia
        * indicates numeric use of letters
        x (modifier letter acute accent - 02CA)
        : 02B9 modifier letter prime
‭ ͵  0375       GREEK LOWER NUMERAL SIGN
        = aristeri keraia
        * indicates numeric use of letters
        x (modifier letter low acute accent - 02CF)

U+0374 ‹ʹ› \N{GREEK NUMERAL SIGN}
    \w \pL \p{Lm}
    All Any Alnum Alpha Alphabetic Assigned InGreek ID_Continue
       Is_IDC Case_Ignorable CI Changes_When_NFKC_Casefolded CWKCF
       Common Zyyy Comp_Ex Full_Composition_Exclusion Dia Diacritic
       CompEx L Lm Gr_Base Grapheme_Base Graph GrBase
       Greek_And_Coptic IDC ID_Start IDS Letter Modifier_Letter
       Print Word XID_Continue XIDC XID_Start XIDS X_POSIX_Alnum
       X_POSIX_Alpha X_POSIX_Graph X_POSIX_Print X_POSIX_Word
    Age=1.1 Age=V1_1 Bidi_Class=ON Bidi_Class=Other_Neutral BC=ON

U+0375 ‹͵› \N{GREEK LOWER NUMERAL SIGN}
    \pS \p{Sk}
    All Any Assigned Greek Is_Greek InGreek Case_Ignorable CI Dia
       Diacritic Sk S Gr_Base Grapheme_Base Graph GrBase Grek
       Greek_And_Coptic Modifier_Symbol Print Symbol X_POSIX_Graph
       X_POSIX_Print
    Age=1.1 Age=V1_1 Bidi_Class=ON Bidi_Class=Other_Neutral BC=ON
       Block=Greek Block=Greek_And_Coptic BLK=Greek
       Canonical_Combining_Class=0
       Canonical_Combining_Class=Not_Reordered CCC=NR
       Canonical_Combining_Class=NR Decomposition_Type=None DT=None