1000000006
domain: N
Appears in sequences
- Harmless numbers: numbers without a, h, m or r.at n=52A073416
- Smallest n-digit number beginning with n and having prime signature of n, or 0 if no such number exists.at n=9A086558
- Smallest n-digit semiprime.at n=9A098449
- Smallest semiprime containing exactly n 0's.at n=7A104486
- Semiprimes at Levenshtein distance n from previous value when considered as a decimal string.at n=10A109378
- a(n) is the smallest n-digit number with exactly 4 divisors.at n=9A174322