NumType:
    | "decimal"
    | "binary"
    | "octal"
    | "hexadecimal"
    | "roman"
    | "arabic"
    | "english_cardinal"
    | "english_words"
    | "french_words"
    | "chinese_words"
    | "chinese_financial"
    | "chinese_heavenly_stem"
    | "chinese_earthly_branch"
    | "chinese_solar_term"
    | "astrological_sign"
    | "nato_phonetic"
    | "month_name"
    | "day_of_week"
    | "latin_letter"
    | "greek_letter"
    | "greek_letter_english_name"
    | "cyrillic_letter"
    | "hebrew_letter"
    | "invalid"
    | "empty"
    | "unknown"
All supported number types in the library
Excluded: julian_day, base
Included: decimal, chinese_financial
Included: invalid (non string input), empty (empty string input), unknown (unknown input)