432432

Appears in sequences

• Non-palindromes in A110751; that is, non-palindromic numbers n such that n and R(n) have the same prime divisors, where R(n) = digit reversal of n.at n=34A110819
• a(n) = n*(n+1)*(n+2)*(n+3)*(n+4)*(n+5)/5.at n=9A162669
• Triangle read by rows: T(n,k) (n>=6, k=3..n-3) is the number of topologies t on n points having exactly k open sets such that t contains exactly one open set of size m for each m in {0,5,6,7,...,s,n} where s is the size of the largest proper open set in t.at n=31A268223
• a(n) is the smallest number that has exactly n divisors that are cyclops numbers (A134808).at n=16A357033
• a(n) is the smallest number with exactly n divisors that are hoax numbers (A019506).at n=16A357034
• Triangle read by rows. The coefficients of the Hahn polynomials in ascending order of powers. T(n, k) = n! * [x^k] hypergeom([-x, -n, n + 1], [1, 1], 1).at n=41A358624
• Triangular array T(n,k) read by antidiagonals: T(2,1) = 1; otherwise T(n,k) = p(n)!/(p(k)!*p(n-k)!), where p(0)=1 and p(m)=prime(m) for m > 0.at n=24A360207
• Diagonal of rational function 1/(1 - (x^3 + y^3 + x^4*y)).at n=26A361488
• a(n) is the least number with exactly n divisors of the form 5*k+1.at n=39A364586
• a(n) is the least number with exactly n divisors of the form 5*k+2.at n=40A364598
• a(n) is the least number with exactly n divisors of the form 5*k+3.at n=40A364599
• a(n) is the least number with exactly n divisors of the form 5*k+4.at n=40A364600
• Numbers k such that k divides sigma(A003961(k)), where A003961 is fully multiplicative with a(p) = nextprime(p), and sigma is the sum of divisors function.at n=46A389469