214375

Appears in sequences

• Numbers of the form 5^i*7^j with i, j >= 0.at n=31A003595
• Numbers whose prime factors are 5 and 7.at n=17A033851
• 3-magic series constant.at n=6A052460
• Composites which use less than all of their digits in their prime factorization.at n=28A074211
• Smallest powerful number such that a(n)-n is also powerful.at n=5A103952
• a(n) is the least k such that k-n and k are adjacent powerful numbers.at n=5A103955
• a(1)=27; if n = Product p_i^e_i, n>1, then a(n) = Product p_{i+2}^{e_i+2}.at n=11A126272
• Products of the 4th power of a prime and a distinct prime of power 3 (p^4*q^3).at n=18A179666
• a(n) = Product_{d|n} Product_{d_x|n , d_x <= d} d_x.at n=34A220849
• a(n) = 5*n^3.at n=35A244725
• Least positive integer c such that (n, c-n, c) is an abc-hit.at n=5A272234
• Least positive integer c such that (n, c-n, c) is an abc-hit and n is the least number in the triple.at n=5A272240
• Numbers with prime factorization Product_{k=1..w} prime(i_k) ^ e_k (where w = A001221(n) and prime(i) denotes the i-th prime number) such that i_k <> e_k for k = 1..w and { i_1, ..., i_w } = { e_1, ..., e_w }.at n=33A320252
• Numbers whose ordered prime signature is equal to the set of distinct prime indices in decreasing order.at n=32A324571
• Twisted variant of A276086 indexed by A328626.at n=54A328627
• Numbers with all prime indices and exponents > 2.at n=30A353502