It is the natural number following 14 and preceding There are 15 perfect matchings of the complete graph K 6 and 15 rooted binary trees with four labeled leaves, both of these being among the types of object counted by double factorials. With only two exceptions, all prime quadruplets enclose a multiple of 15, with 15 itself being enclosed by the quadruplet 11, 13, 17, If a positive definite quadratic form with integer matrix represents all positive integers up to 15, then it represents all positive integers via the 15 and theorems. The Hanbali Sunni madhab states that the age of fifteen of a solar or lunar calendar is when one's taklif obligation or responsibility begins and is the stage whereby one has his deeds recorded. From Wikipedia, the free encyclopedia. This article may contain indiscriminate , excessive , or irrelevant examples. Please improve the article by adding more descriptive text and removing less pertinent examples. See Wikipedia's guide to writing better articles for further suggestions.
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Top definition. Fifteen is the age in a boy's life where everything sucks. Your body turns against you in every way possible. Pimples, voice cracks, terrible body odor, unnecessary hair, constant horniness, and greasy skin and hair. Hormones run wild throughout your body producing an array of emotions you can't even understand let alone deal with. Meanwhile, you have to deal with high school. Projects, homework, hard subjects, sadistic teachers, social crap to sort out , finding allies; they are very hard and common things there.
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Bob Cratchit, the clerk who is the father of Tiny Tim and who meekly serves Scrooge, is paid fifteen shillings a week. Fifteen people were killed, more than were injured, and more than families lost their homes. Fifteen years later, the same communities had returned for the annual celebration, as most had year after year. Fifteen years after its last execution, Pennsylvania is finding it difficult to fire up its death machine again. Fifteen percent of all calls involve a person with a physical or mental disability. It was thirty-five feet long by fifteen broad, and twenty-two feet high. You have fifteen rum-shops to meet before you get back to your wife and child.