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149 Births
149 may refer to: *149 (number), a natural number *AD 149, a year in the 2nd century AD *149 BC, a year in the 2nd century BC *British Airways Flight 149, a flight from LHR to Kuwait City International Airport; the aircraft flying this flight was destroyed by Iraqi troops See also * List of highways numbered 149 * {{Number disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
149 (number)
149 (one hundred [and] forty-nine) is the natural number between 148 (number), 148 and 150 (number), 150. In mathematics 149 is a prime number, the first prime whose difference from the previous prime is exactly 10, an emirp, and an irregular prime. After 1 and 127, it is the third smallest de Polignac number, an odd number that cannot be represented as a prime plus a power of two. More strongly, after 1, it is the second smallest number that is not a sum of two prime powers. It is a tribonacci number, being the sum of the three preceding terms, 24, 44, 81. There are exactly 149 integer points in a closed circular disk of radius 7, and exactly 149 ways of placing six queens (the maximum possible) on a 5 × 5 chess board so that each queen attacks exactly one other. The barycentric subdivision of a tetrahedron produces an abstract simplicial complex with exactly 149 simplices. See also * The year AD 149 or 149 BC * List of highways numbered 149 * References Externa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |