3888000

Appears in sequences

• Highly powerful numbers: numbers with record value of the product of the exponents in prime factorization (A005361).at n=38A005934
• Values of phi in arithmetic progression of at least 6 terms having the same value of phi in A050518.at n=24A050520
• a(n) = product of first n digits in the decimal expansion of Pi, ignoring decimal point.at n=12A073055
• Partial products of successive digits in the decimal expansion of Pi.at n=11A074850
• Number of triples in all permutations of order n that are collinear modulo n.at n=9A135538
• Smallest d such that Mordell's elliptic curve x^3-y^2=d (for positive d) has an integral point in the quadratic extension sqrt(A202057(n)).at n=6A202056
• Numbers k with record values of the ratio d(k)/ud(k) between the number of divisors and the number of unitary divisors.at n=37A307870
• Exponentially-odd coreful highly composite numbers: numbers with record values of the number of exponentially odd coreful divisors (A325837).at n=15A325839
• Powerful superabundant numbers: numbers m such that psigma(m)/m > psigma(k)/k for all k < m, where psigma(k) is the sum of powerful divisors of k (A183097).at n=27A349111
• Numbers with a record number of divisors that are both coreful and bi-unitary.at n=15A363333
• Numbers k in A376936 that set records in A379552.at n=10A379553
• Number of oriented Eulerian circuits from a fixed start vertex in the complete digraph K_n, counting distinct first arcs.at n=3A382362
• Irregular triangular array read by rows: T(n,k) is the number of compatible pairs (f,g) of functions from [n] into [n] such that the integer partition induced by f and g is the k-th partition in the canonical (reverse lexicographic) ordering of the partitions, n>=0, 1<=k<=A000041(n).at n=28A390121