5062500

Appears in sequences

• Squares that remain squares when prefixed with a 9.at n=7A167044
• a(n) = Product_{d|n, d<n} A276086(d).at n=51A319708
• Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = -4.at n=31A380925
• Powers k^m, m > 1, where k is neither squarefree nor squareful, and has a primorial kernel but is not a product of primorials.at n=30A389682