In Mathematics
171 is an odd number, a composite number, and a deficient number. It is also a triangular number, a tridecagonal number and a 58-gonal number.
171 is a Harshad number, a palindromic number, and an undulating number. 171 is a repdigit in base 7 (333), and also in bases 18, 56, and 170.
Read more about this topic: 171 (number)
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