12890625

Appears in sequences

• Automorphic numbers: m^2 ends with m.at n=14A003226
• Automorphic numbers ending in digit 5: a(n) = 5^(2^n) mod 10^n.at n=7A007185
• Hexamorphic numbers: k such that the k-th hexagonal number ends with k.at n=37A039594
• Numbers k such that decimal expansion of k^2 contains k as a substring and k does not end in 0.at n=23A046831
• Numbers m such that m-th triangular number (A000217) ends in m.at n=9A067270
• Least n-digit automorphic number.at n=7A094190
• Numbers n such that the decimal representation of n is contained as substring in that of the n-th pentagonal number.at n=34A179782
• Numbers that divide the concatenation of their aliquot divisors, in ascending order.at n=30A240265
• Subsequence of the automorphic numbers (A003226) with initial term 5 and such that a(n+1) ends with the digits of a(n).at n=3A274463
• Numbers k such that product of divisors of k ends with k and k is nonprime (A018252).at n=37A278473
• Hypotenuses for which there exist exactly 8 distinct integer triangles.at n=22A290499
• Numbers m such that the smallest digit in the decimal expansion of 1/m is 5, ignoring leading and trailing 0's.at n=31A352159