6690816

Appears in sequences

• Integers of the form Product p_j^k_j = Product k_j^p_j; p_j in A000040.at n=27A008478
• Numbers whose 3 prime powers are a permutation of each other. Numbers with 3 distinct prime factors whose 3 exponents are a permutation of the 3 bases.at n=10A113620
• Numbers of the form Product_i p_i^e_i, where the p_i are distinct primes and the e_i are a permutation of the p_i.at n=26A122406
• Number of nX7 0..3 arrays with no element equal to another at a city block distance of exactly two, and new values 0..3 introduced in row major order.at n=11A222837
• Numbers k of the form p_1^p_m * p_2^p_(m-1) * ... * p_(m-1)^p_2 * p_m^p_1 for increasing primes p_i.at n=14A334633