6469693230

Appears in sequences

• Primorial numbers (first definition): product of first n primes. Sometimes written prime(n)#.at n=10A002110
• Primorial numbers (second definition): n# = product of primes <= n.at n=30A034386
• Primorial numbers (second definition): n# = product of primes <= n.at n=29A034386
• Squarefree kernels of distinct values of lcm(1,...,m) (A051451).at n=16A056603
• Squarefree kernel of lcm(binomial(n,0), ..., binomial(n,n)).at n=29A056606
• Squarefree kernel of lcm(binomial(n,0), ..., binomial(n,n)).at n=30A056606
• a(1)=1; for n > 0, a(n+1) = rad(a(n))*n where rad=A007947.at n=29A066332
• Product of primes < n that do not divide n.at n=30A066838
• Smallest n-digit number with exactly n prime divisors. There are no further terms.at n=9A070842
• Denominator of b(n) = Sum_{k'<=n} 1/k', where k' denotes the squarefree numbers.at n=29A072983
• First multiple of n in A025487.at n=28A073039
• Smallest n-digit squarefree number with maximum number of prime divisors.at n=9A074111
• Smallest multiple of n with n distinct prime divisors.at n=9A076926
• Smallest number beginning with 6 and having exactly n distinct prime divisors.at n=9A077331
• Smallest p for which there are exactly n primitive Pythagorean triangles with perimeter p; i.e., smallest p such that A070109(p) = n.at n=16A078928
• Denominator of Sum(k^mu(k): 1<=k<=n), where mu is the Moebius function (A008683).at n=28A080326
• Geometric mean of n-th row of A080504.at n=28A080506
• Product of the primes less than the greatest prime factor of n but not dividing n.at n=30A083720
• Duplicate of A034386.at n=29A083907
• Duplicate of A034386.at n=28A083907