389999
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Smallest prime number whose digits sum to n-th prime.at n=14A054750
- Primes at which sum of digits strictly increases.at n=28A061248
- Smallest prime with digit sum n, or 0 if no such prime exists.at n=46A067180
- The smallest prime with a possible given digit sum.at n=31A067523
- Smallest prime (> n-th prime) with sum of digits = the n-th prime, or 0 if no such prime exists.at n=14A075360
- Duplicate of A054750.at n=14A082257
- Primes with digit sum = 47.at n=0A106778
- The lesser of twin prime pairs with each prime in a different millennia.at n=9A158861
- Primes of form n^4 - n^2 - 1.at n=12A174822
- Numbers that require exactly 8 iterations to determine that they are happy or not (A007770 and A031177).at n=36A193996
- a(n) is the smallest prime number, with sum of digits equals n and a(n) is greater than previous nonzero terms, except if this is not possible in which case a(n)=0.at n=46A282342
- Primes p such that p+2, (p^2-5)/2-p, (p^2-1)/2+p, and (p^2+3)/2+3*p are all prime.at n=8A352951
- a(n) is the first member of A106843 with sum of digits n.at n=45A361831
- Prime numbersat n=33067