175 (number)

175 1, 5, 7, 25, 35, 175 175 (one hundred [and] seventy-five) is the natural number following 174 and preceding 176. In mathematics Raising the decimal digits of 175 to the powers of successive integers produces 175 back again: 175 = 11 + 72 + 53.A032799 Numbers n such that n equals the sum of its digits raised to the consecutive powers (1,2,3,...) 175 is a figurate number for a rhombic dodecahedron, the difference of two consecutive fourth powers: 175 = 44 − 34.A005917 Rhombic dodecahedral numbers: a(n) n^4 - (n - 1)^4 It is also a decagonal number and a decagonal pyramid number, the smallest number after 1 that has both properties.A344280 Numbers that are both 10-gonal numbers (A001107) and 10-gonal pyramidal numbers See also The year AD 175 or 175 BC List of highways numbered 175 175 References 1 Category:Integers