59899999

Properties

Appears in sequences

• Smallest prime number whose digits sum to n-th prime.at n=18A054750
• Smallest prime (> n-th prime) with sum of digits = the n-th prime, or 0 if no such prime exists.at n=18A075360
• Primes with digit sum = 67.at n=0A106807
• Primes p with digit sums s(p) and s(s(p)) also prime, but s(s(s(p))) not prime.at n=0A213354
• Smallest prime p whose k-fold digit sum s(s(..s(p)..)) is also prime for all k < n, but whose n-fold digit sum is not prime.at n=2A213355
• Prime numbersat n=3556550