31667

Properties

Appears in sequences

• Numbers k whose decimal representation, read as a base-23 value and divided by k, yields an integer.at n=24A032577
• a(n) = A047980(2n).at n=36A047981
• Primes of the form 41+(n+n^2)/2=41+A000217(n).at n=30A139219
• First appearance of n in A016014, or 0 if n never occurs.at n=36A239800
• Primes which contain the fax number of the beast (667).at n=7A321001
• Primes p such that (p+nextprime(p))/6 is prime and 6*p is the sum of two consecutive primes.at n=31A339775
• Nonnegative integers k such that k! mod nextprime(k) is larger than k.at n=21A360805
• a(n) is the least integer k requiring any combination of at least n 1's or 2's to build using + and *.at n=21A382685
• Prime numbersat n=3407