121499449
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Irregular table read by rows: row n lists prime factors of 10^n + 1, with multiplicity.at n=38A001271
- Largest prime factor of 10^n + 1.at n=14A003021
- Greatest prime number p(n) with decimal fraction period of length n.at n=27A061075
- Greatest prime factor of n-th cyclic number.at n=4A087020
- Sorted version of A061075.at n=24A181086
- Records in A054471.at n=30A243110
- Prime numbersat n=6922168