1125000
domain: N
Appears in sequences
- Smallest number having exactly n divisors that are contained in its decimal representation.at n=18A155005
- a(n) is the smallest number satisfying a(n)^2+1 = p(n)*q(n), p(n) < q(n) both prime, such that q(n+1)/p(n+1) < q(n)/p(n) with the initial condition q(1)/p(1) < 3/2.at n=29A261803
- Integers whose double is a square and whose triple is a cube.at n=5A286930
- The fifth power of the unsigned Lah triangular matrix A105278.at n=16A308282
- a(n) = number of times n appears in the sequence (b(i)[1], i=1,2,3,4,...), where b(i) is defined in A318919.at n=7A318920
- Numbers m such that m^2 + 1 = p*q with p, q primes and m = (p + q)/2 - 1.at n=25A348594
- Numbers m such that the smallest digit in the decimal expansion of 1/m is k = 8, ignoring leading and trailing 0's.at n=7A352161
- a(n) is the least integer k such that the sum of the prime divisors of k, each taken modulo its exponent in the prime factorization of k, equals n.at n=8A391646