13112221
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Look and Say sequence: describe the previous term! (method A - initial term is 1).at n=6A005150
- Primes in A005150.at n=2A100108
- Smallest prime factor of n-th term in Look and Say sequence A005150, with a(1)=1.at n=6A334132
- Largest prime factor of n-th term in Look and Say sequence A005150, with a(1)=1.at n=6A355299
- Prime numbersat n=856034