999997

Appears in sequences

• Numbers k such that k^2 contains only digits {0,4,9}, not ending with zero.at n=10A058443
• Largest n-digit squarefree number.at n=5A074110
• Largest n-digit semiprime.at n=5A098450
• Largest n-digit number coprime to n.at n=5A108908
• Numbers k such that k concatenated with k-5 gives the product of two numbers which differ by 6.at n=14A116125
• n times n+6 gives the concatenation of two numbers m and m-8.at n=19A116237
• Numbers k such that k*(k+5) gives the concatenation of two numbers m and m-4.at n=13A116261
• Numbers k such that k*(k+4) gives the concatenation of a number m with itself.at n=14A116288
• Greatest hypotenuse of primitive Pythagorean triangle not exceeding 10^n.at n=5A117341
• Numbers k such that k and k^2 use only the digits 0, 3, 4, 7 and 9.at n=27A136934
• Numbers k such that k and k^2 use only the digits 0, 4, 5, 7 and 9.at n=30A136952
• Numbers k such that k and k^2 use only the digits 0, 4, 6, 7 and 9.at n=42A136955
• Numbers k such that k and k^2 use only the digits 0, 4, 7 and 9.at n=21A136960
• a(n) = 10^n - 3.at n=5A173833
• a(n) is the largest n-digit number with exactly 4 divisors.at n=5A182648
• Largest n-digit number missing in first 10^n digits after the decimal point in expansion of Pi.at n=5A260627
• Numbers k not divisible by 10 such that k^2 and 2*k are in A046030.at n=7A308961
• Indices of records in A034058.at n=44A389569