42139

Properties

Appears in sequences

• Prime numbers p for which the quintic polynomial x^5 - x - 1 modulo p completely factors into linear polynomials.at n=35A135844
• Prime numbers p not of the form 10*k+1 for which the quintic polynomial x^5-x-1 modulus p is factorizable into five binomials.at n=25A135845
• Primes in A152535.at n=29A152563
• Depression-type primes with five digits; from left to right digits decrease to and increase from the central digit.at n=30A157083
• Primes of the form 2*n^2 + 42*n + 19.at n=16A221903
• Smallest prime that is the (sum, k*prime(k),k=m,..n+m-1) for some m, or 0 if no such m exists.at n=16A268467
• Numbers whose digits are in nondecreasing order in bases 7 and 8.at n=38A329297
• Primes q such that 15*q-4, 15*q-2, 15*q+2 and 15*q+4 are all primes.at n=19A342717
• Primes p such that if q and r are the next two primes, 6*q-r, 6*q-p, 6*q+p and 6*q+r are all prime.at n=16A351636
• Prime numbersat n=4405