55555553

Properties

Appears in sequences

• Smallest prime containing exactly n 5's.at n=7A037063
• Smallest prime beginning with exactly n 5's.at n=7A065588
• Smallest prime starting with n 5s.at n=7A068105
• Primes of the form identical digits followed by a 3.at n=17A090146
• Primes of the form 50*R_k + 3, where R_k is the repunit (A002275) of length k.at n=2A093164
• a(n) is the largest prime before A002279(n).at n=7A099665
• Near-repdigit primes with at least two 5's as the repeated digit.at n=3A105979
• Primes p such that the sum of numbers from prime p to nextprime(p)-1 is a repdigit.at n=4A114370
• Smallest prime of the form: all fives followed by prime(n). a(n) >prime(n). 0 if no such prime exists.at n=15A114787
• a(n) = (5*10^n - 23)/9.at n=7A173802
• Prime numbers consisting of only odd digits such that there is only one permutation of its digits that produces a prime number.at n=36A225421
• Single-digit odd primes and primes whose decimal expansion has the form iii...ij, where i and j are distinct odd digits.at n=39A321363
• Primes whose digits are prime and in nonincreasing order.at n=23A364831
• Prime numbersat n=3313338