400008

Appears in sequences

• Multiples of 7 in which there is no common digit in successive terms.at n=34A083495
• Number x = concat(MSD(x),b) such that MSD(x)*b = d(x), where MSD(x) is the Most Significant Digit of x and d(x) is the number of divisors of x.at n=17A291618
• Numbers whose palindromization is a perfect power.at n=37A342942