1524096

Appears in sequences

• Triangle T(s,t), s >= 1, 1 <= t <= s (see formula line).at n=52A059836
• Product of nonzero digits of A066549(n).at n=14A066582
• a(1) = 1, a(n) = smallest multiple of a(n-1) > a(n-1) such that a(n) + 1 is a prime.at n=12A084716
• Second column (n=2) of triangle A119937.at n=7A119941
• Numbers m = concat(s,t) such that m = sigma(s) * sigma(t), where sigma(x) is the sum of the divisors of x.at n=5A253824
• Numbers m such that A034448(A188999(m)) = k*m for some k, where A034448 and A188999 are respectively the unitary and the bi-unitary sigma function.at n=41A369204
• Record values in A085908.at n=34A376280