9999994

Appears in sequences

• Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.at n=12A116109
• Numbers k such that k concatenated with itself gives the product of two numbers which differ by 7.at n=13A116160
• Numbers k such that k * (k + 8) is the concatenation of two numbers m and m-7.at n=15A116244
• Numbers k such that k * (k + 7) is the concatenation of a number m with itself.at n=13A116291
• Numbers that are the sum or product of two numbers, such that the sum and product have reversed digits.at n=17A166749
• Largest n-digit number that is divisible by exactly 3 primes (counted with multiplicity).at n=6A180927
• a(n) is the largest n-digit number with exactly 8 divisors, a(n) = 0 if no such number exists.at n=6A182676