555557

Properties

Appears in sequences

• Primes that contain digits 5 and 7 only.at n=12A020467
• Smallest n-digit prime containing only the digits 5 and 7, or 0 if no such prime exists.at n=5A036946
• Smallest prime containing exactly n 5's.at n=5A037063
• Smallest prime beginning with exactly n 5's.at n=5A065588
• Smallest prime starting with n 5s.at n=5A068105
• Smallest prime beginning with exactly n n's.at n=4A068120
• a(n) = smallest prime that can be written in base 10 using just n n's.at n=5A069569
• Smallest prime beginning with at least n n's (in decimal notation).at n=5A088639
• Primes of the form identical digits followed by a 7.at n=17A090147
• Primes of the form 50*R_k + 7, where R_k is the repunit (A002275) of length k.at n=3A093169
• a(n) is the least prime following A002279(n) repdigits.at n=5A099659
• Near-repdigit primes with at least two 5's as the repeated digit.at n=2A105979
• Primes whose digits do not appear in three previous terms.at n=23A107367
• Smallest near-repdigit prime with digit n occurring n times, or 0 if no such prime exists.at n=4A160342
• Largest base 10 near-repdigit (all but one digit alike) prime with digit n repeated n times (or 0, if no such prime exists).at n=4A160369
• Primes with at least one digit appearing exactly five times in the decimal expansion.at n=27A161796
• Largest n-digit prime with the most digits equal to 5.at n=5A178003
• Primes with exactly five 5's.at n=0A178554
• Smallest prime using the digit n exactly n times.at n=4A178559
• a(n) = (5*10^n + 13)/9.at n=6A178769