123493
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = b_n(p_(n+1)) where p_n is the n-th prime, b_n(1)=1, b_n(2)=p_n, and for k>=3, b_n(k) is the smallest number larger than b_n(k-1) such that, for all i<k, b_n(k) is relatively prime to b_n(i) iff k is relatively prime to i.at n=12A173381
- Successive prime factors of 10^(10^100) - 10.at n=25A200924
- Primes whose second, third and fourth digits are 234.at n=20A371833
- Primes p such that p + 10^i are prime for i from 1 to 5.at n=9A387703
- Prime numbersat n=11605