999994

Appears in sequences

• a(n) = 10^n - n.at n=6A024115
• a(n) is the largest number which can be formed with no zeros, using least number of digits and having digit sum = n.at n=48A061219
• {Concatenation of n-1 and n+1}/n where n is a member of A069871.at n=11A077192
• Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.at n=10A116109
• Numbers k such that k concatenated with itself gives the product of two numbers which differ by 7.at n=11A116160
• Numbers k such that k * (k + 8) is the concatenation of two numbers m and m-7.at n=12A116244
• Numbers k such that k * (k + 7) is the concatenation of a number m with itself.at n=11A116291
• Numbers k such that if k = a*b, then a+b = reversal(k) for some integers a,b > 1.at n=34A161791
• Numbers that are the sum or product of two numbers, such that the sum and product have reversed digits.at n=15A166749
• Largest n-digit number that is divisible by exactly 3 primes (counted with multiplicity).at n=5A180927
• a(n) is the largest n-digit number with exactly 8 divisors, a(n) = 0 if no such number exists.at n=5A182676