111109

Properties

Appears in sequences

• Prime before n-th repunit.at n=4A096498
• Primes which are the reverse concatenation of two consecutive odd numbers.at n=14A104332
• Primes of the form k^5 + k^4 + k^3 + k^2 + k - 1.at n=2A182384
• Primes formed from the concatenation of n and previousprime(n).at n=27A280388
• Primes p1 such that the sum of 9 consecutive primes, p1+p2+p3+p4+p5+p6+p7+p8+p9, and the three sums (p1+p2+p3), (p4+p5+p6), (p7+p8+p9) are all prime numbers.at n=32A343683
• Emirps p such that both p and its reversal are sums of three consecutive primes.at n=17A345472
• a(n) = n+1 for n = 1 to 8; a(n) = 100 + a(n-8) for n = 9 to 16; thereafter a(8*i+j) = 10^(i+1) + a(8*(i-1)+j) for i >= 2, 1 <= j <= 8.at n=39A367342
• Prime numbersat n=10544