5Learn about the mathematical, geometric, cultural, and natural snificance of the number 5. Discover how the number 5 relates to prime numbers, Fibonacci numbers, Platonic4 —5— 6: Cardinal: cinq Ordinal: cinquième quint, quinte (anc.) 5 e: Préfixe grec: penta Préfixe latin: quinque Adverbe: cinquièmement Adverbe d'orine latine: quinto