6888888

Appears in sequences

• Smallest positive number that needs more lines when shown on a 7-segment display (digital clock) than any previous term.at n=43A038619
• Numbers k such that k and k^2 use only the digits 4, 5, 6, 7 and 8.at n=45A137140
• Least positive integer whose decimal digits divide the plane into n regions (A249572 variant).at n=13A250256
• Least nonnegative integer whose decimal digits divide the plane into n regions (A250257 variant).at n=13A250258
• a(n) = ((9*n + 8)*10^n - 8)/9.at n=6A294327