5114881

Properties

Appears in sequences

• Class 10+ primes.at n=2A081638
• Primes p such that (p+1)/2, (p+2)/3, (p+3)/4 and (p+4)/5 are also prime.at n=20A204592
• Least number that reaches 1 after n iterations of the map k -> usigma(k)/ud(k) if ud(k) | usigma(k), and k -> 1 otherwise, where ud(k) is the number of unitary divisors of k (A034444) and usigma(k) is their sum (A034448).at n=16A334816
• Prime numbersat n=355924