333331

Properties

Appears in sequences

• Primes that contain digits 1 and 3 only.at n=31A020451
• n 3's followed by 1.at n=5A033175
• Except for initial term, primes of form "n 3's followed by 1".at n=5A051200
• Smallest prime beginning with exactly n 3's.at n=5A065586
• Smallest prime starting with n 3s.at n=5A068104
• Primes arising in A086920, or 0 if A086920(n) = 0.at n=4A086923
• Primes of the form identical odd digits followed by a 1.at n=8A089346
• Primes of the form identical digits followed by a 1.at n=15A089347
• Near-repdigit primes with 3 as repeated digit.at n=33A105981
• Primes of the form aaaa...aa1 where a is 1, 2, 3, 4 or 5.at n=8A109548
• Primes of the form aaaa...aa1 where a is 3, 4, 5, 6 or 7.at n=10A109550
• Prime numbers of the form (10^n - 7)/3.at n=4A123568
• a(n) = 1 + 111110*n.at n=3A135403
• Largest prime factor of odd composites less than 10^n.at n=5A136024
• Primes with at least one digit appearing exactly five times in the decimal expansion.at n=16A161796
• Irregular triangle, read by rows, of primes with suffix n and digits "3" prepended , otherwise 0.at n=4A186071
• Irregular triangle, read by rows, of primes with suffix n and digits "3" prepended , otherwise 0.at n=41A186071
• Near-repdigit primes that are also deletable primes.at n=39A187867
• Single-digit odd primes and primes whose decimal expansion has the form iii...ij, where i and j are distinct odd digits.at n=31A321363
• Primes consisting of a single 1 and at least one copy of some other digit.at n=31A325934