1097712

Appears in sequences

• a(1) = 7, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1).at n=6A080451
• a(1) = 8, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1).at n=6A080452
• Least integer k such that the set of the divisors of k contains exactly n pairs of numbers having the following property: for each pair of two distinct divisors, the reversal of one is equal to the other.at n=15A260705
• Integers k such that k/A097621(k) is an integer.at n=35A344826
• a(n) is the least number with exactly n divisors of the form 5*k+1.at n=38A364586
• a(n) is the least number with exactly n divisors of the form 5*k+2.at n=39A364598
• Numbers having a self-conjugate multiplicative partition into primes.at n=22A378633