185185

Appears in sequences

• Odd hexagonal pyramidal numbers.at n=32A015225
• Mean of first six positive powers of n, i.e., (n + n^2 + n^3 + n^4 + n^5 + n^6)/6.at n=10A059721
• Fifth column (m=4) of triangle A060098.at n=18A060100
• Fifth column (m=4) of triangle A060102.at n=9A060104
• a(n)*n = A112891(n).at n=5A112892
• Multiples of 5291.at n=35A178027
• Numbers n such that the result of n multiplied by the reversal of n can be split into two numbers a and b of equal length (if the length is odd a leading zero is allowed), where a + b equals n (b can also have a leading zero).at n=23A259316
• a(n) is the smallest number m with n divisors d such that d^m mod m = d.at n=18A371513
• a(n) is the least k that has exactly n proper divisors d such that (-d)^k == -d (mod k).at n=18A380393