5 (five; /faiv/) is a number, numeral, and glyph. It is the natural number following 4 and preceding 6. Five is the third prime number. The number 5 is the 5th Fibonacci number, being 2 plus 3.A polygon with five sides is a pentagon. The number of appendages on most starfish, which exhibit pentamerism. The most destructive known hurricanes rate as Category 5 on the Saffir–Simpson Hurricane Scale.The Roman numeral V (usually) stands for the fifth-discovered satellite of a planet or minor planet (e.g. Jupiter V) Almost all amphibians, reptiles, and mammals which have fingers or toes have five of them on each extremity. The book of Psalms is arranged into five books, paralleling the Five Books of Moses. Muslims pray to Allah five times a day. According to ancient Greek philosophers such as Aristotle, the universe is made up of five classical elements: water, earth, air, fire, and ether. Bands with "five" in their name include The Jackson 5, Maroon 5, Jump5, We Five, Five for Fighting, Zanussi 5, The Click Five, MC5 (short for "Motor City Five"), Ben Folds Five, Five Man Electrical Band, The Five Keys, The Jive Five, The Count Five, The Five Satins, Five Iron Frenzy, Five Finger Death Punch, and The Dave Clark Five. The Olympic Games have five interlocked rings as their symbol, representing the number of inhabited continents represented by the Olympians (counting North America and South America as one continent). 5 is the most common number of gears for automobiles with manual transmission. In the United States legal system, the Fifth Amendment to the United States Constitution can be referred to in court as "pleading the fifth", absolving the defendant from self-incrimination. No. 5 is the name of the iconic fragrance created by Coco Chanel. The five-second rule is a commonly used rule of thumb for dropped food. "Give me five" is a common phrase used preceding a High five.