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A376705
a(n) = smallest 4-brilliant number (A376704) with n decimal digits.
2
16, 100, 1029, 14641, 100529, 1000109, 10005647, 104060401, 1000002847, 10000000861, 100000024219, 1036488922561, 10000000051429, 100000000009729, 1000000000011799, 10028029413722401, 100000000000035241, 1000000000000012861, 10000000000000080101, 100012000540010800081
OFFSET
2,1
COMMENTS
See Alpern link for more terms, along with their prime factorization.
EXAMPLE
a(6) = 100529 because 100529 = 11 * 13 * 19 * 37 is the smallest 6-digit number with four prime factors having the same number of digits.
CROSSREFS
Subsequence of A376704.
Sequence in context: A126484 A091100 A061432 * A115328 A223767 A223774
KEYWORD
nonn,base
AUTHOR
Paolo Xausa, Oct 02 2024
STATUS
approved