The number 171 is an integer that follows 170 and precedes 172. It is an odd number and can be expressed as the sum of 85 and 86. In mathematics, 171 is classified as a composite number, meaning it has divisors other than 1 and itself. Its prime factorization is 3 × 57. In terms of its significance, 171 can be found in various contexts, such as in area codes or as a reference number in different systems. It is also used in some scientific measurements and can represent specific quantities in various fields, including engineering and statistics.