1131131

Properties

Appears in sequences

• Primes that contain digits 1 and 3 only.at n=34A020451
• Primes > 1000 in which every substring of lengths 2 and 3 are also prime.at n=24A069490
• Primes with digital product = 9.at n=13A107695
• Twin prime pairs using digits 1 and 3 only.at n=8A111070
• Primes formed by concatenating k, k, and 1 for k >= 1.at n=29A210511
• Periodic primes: primes p whose decimal expansion can be written as sss...st, where s is nonempty string of digits not beginning with 0, there are at least two copies of s, and t (which may be absent) is a prefix of s.at n=11A232066
• Emirps containing only the digits 1 and 3.at n=6A335787
• Prime numbersat n=87964