69883
domain: N
Appears in sequences
- Values of n for which the decimal number 10...030...01 is an n-digit prime.at n=21A100028
- Numbers k such that k and k^2 use only the digits 3, 4, 6, 8 and 9.at n=19A137129
- Numbers n such that the decimal expansions of both n and n^2 have 3 as the digit with the smallest value and 9 as the digit with the largest value.at n=30A238553