sescentĭes — Lewis & Short
sescentĭes (less correctly sexc-),
I num. adv. [sescenti], six hundred times:
sescenties HS.,six hundred times a hundred thousand, sixty millions of sesterces, Cic. Att. 4, 16 C, 14; so,
sestertium sescenties,Plin. Ep. 2, 20, 13:
sescenties vicies,Lampr. Commod. 15 (in Plaut. Men. 5, 4, 8, the true read. is sescentos).