Three Hundred and Nine
thalatha mia'atin wa tis'aan
309 is indirectly mentioned but referring to
وَلَبِثُوا فِي كَهْفِهِمْ ثَلاَثَ مِائَة ٍ سِنِينَ وَازْدَادُوا تِسْعا ً
Wa Labithū Fī Kahfihim Thalātha Miā'atin Sinīna Wa Azdādū Tis`āan
And they remained in their cave for three hundred years, and increased by nine.