113131

Properties

Appears in sequences

• Primes that contain digits 1 and 3 only.at n=21A020451
• Primes p = p(k) such that p(k) + p(k+11) = p(k+1) + p(k+10) = p(k+2) + p(k+9) = p(k+3) + p(k+8) = p(k+4) + p(k+7) = p(k+5) + p(k+6).at n=2A064104
• Primes > 1000 in which every substring of lengths 2 and 3 are also prime.at n=13A069490
• Concatenate (1,n,n,1).at n=13A100846
• Primes of the concatenated form 1nn1 where n is an integer >=0.at n=1A102497
• Primes with digital product = 9.at n=8A107695
• Smallest prime obtained as a concatenation of prime(n) and prime(m) with m > n.at n=29A113893
• Palindromic primes in the sense of A007500 with digits '0', '1' and '3' only.at n=29A199303
• Primes whose digits add to 10 and which have a 3 in the tens place.at n=25A227825
• Decimal prime numbers which can be split into three equal-sized prime parts whose sum is prime. No leading zeros.at n=32A243767
• Primes p such that sum and product of decimal digits of p are both semiprimes.at n=24A245381
• Primes that are the concatenation of prime(n) and prime(n+2).at n=8A253245
• Primes such that the decimal digits in the first half of the number are a nontrivial permutation of the digits in the second half.at n=2A297994
• Emirps containing only the digits 1 and 3.at n=4A335787
• Square array T(n,k), n>0 and k>0, read by antidiagonals in ascending order, giving the smallest n*k-digit number that, if arranged in an n X k matrix, form k-digit reversible prime in each row and n-digit reversible prime in each column, or -1 if no such number exists.at n=8A375171
• Prime numbersat n=10718