five. For the year 5 AD, see 5. For other uses of 5, see 5 (disambiguation). This article may contain excessive, poor or irrelevant examples. You can improve the article by adding more descriptive text. See Wikipedia's guide to writing better articles for further suggestions. (March 2010) 5 −1 0 1 2 3 4 5 6 7 8 9 →.