88998998929domain: NAppears in sequencesSquares composed of digits {2,8,9}.at n=4A053935Smallest n-digit square with maximum digit sum.at n=10A069665Largest n-digit square with maximum digit sum.at n=10A069666Squares whose arithmetic mean of digits is 8 (i.e., the sum of digits is 8 times the number of digits).at n=1A316488