protected function numberToHebrewNumeralsIso8859($number, $gereshayim)
    {
        $hebrew = $this->numberToNumerals($number, self::$HEBREW_NUMERALS_ISO8859_8);

        // Hebrew numerals are letters.  Add punctuation to prevent confusion with actual words.
        if ($gereshayim) {
            return $this->addGereshayim($hebrew);
        } else {
            return $hebrew;
        }
    }