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1490s Paintings
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 British Airways Flight 149 was a flight from London Heathrow Airport to Sultan Abdul Aziz Shah Airport, then the international airport for Kuala Lumpur, Malaysia, via Kuwait and Madras International Airports, operated by British Airways using ..., 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 ndforty-nine) is the natural number between 148 and 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 In combinatorics, an abstract simplicial complex (ASC), often called an abstract complex or just a complex, is a family of sets that is closed unde ... [...More Info...] [...Related Items...] OR: [Wikipedia] |