How to write 169 in Roman Numerals

Silver Authority Authority: Probus State: Roman Empire Geographic Mint: Rome; Region: Europe--Italy--Latium Obverse Legend: PROBVS AVG; Type: Bust of

Roman Empire Lucius Verus, 161-169 Aureus, 163164 Draped bust r with laurel wreath Victoria stands r and writes VIC AVG on shield

roman 169 Denarius, Issued by Ancient Roman Republic, 169-158 BC Minted by Rome

roman slot Perfect Square between roman numbers 1 to 200 are: 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196 This implies, there are 14 = XIV perfect square