112 (number)

Number 112 the emergency telephone number 112 (emergency telephone number) 112 1, 2, 4, 7, 8, 14, 16, 28, 56, 112 112 (one hundred [and] twelve) is the natural number following 111 and preceding 113. Mathematics 112 is an abundant number, a heptagonal number,https://oeis.org/A000566 Sloane's A000566 : Heptagonal numbers The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-05-26 and a Harshad number.https://oeis.org/A005349 Sloane's A005349 : Niven (or Harshad) numbers The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-05-26 There are 112 connected graphs on 6 unlabeled nodes.https://oeis.org/A001349 Sloane's A001349 : Number of connected graphs with n nodes The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2021-12-19 If an equilateral triangle has sides of length 112, then it contains an interior point at integer distances 57, 65, and 73 from its vertices. This is the smallest possible side length of an equilateral triangle that contains a point at integer distances from the vertices.Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987), page 119 References 1 Category:Integers