[3203] tredecim (tres u. decem), dreizehn, Liv. u.a. – vulg. tredecem, Corp. inscr. Lat. 14, 1009. – Dafür tres et decem, Cic. Sex. Rosc. 99. Arnob. 4, 25: decem et tres, Cic. Sex. Rosc. 20. Curt. 6, 4 (10), 6: decem tres, Liv. 37, 30, 8: decem tria, Liv. 26, 29, 3 u.ö.: decem tresque, Manil. 4, 452.