PTOLEMAIC SYSTEMPtolemaic system · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PTOLEMAIC SYSTEMTier 1Ordinal195Pythagorean60Classical183Reverse210Reverse Reduction84Standard1236Final Large1796Ordinal174Reduced48Atbash228Isopsephy1701Ordinal207Abjad1081