2778889

Appears in sequences

• Squares with digits in nondecreasing order.at n=33A028820
• Squares of primes having digits in nondecreasing order.at n=15A028866
• Squares whose sum of digits as well as product of digits is a nonzero square.at n=25A061267
• Smallest square with digit sum n (or 0 if no such square exists).at n=48A062685
• a(n) = smallest square m^2 such that the sum of the digits of m^2 is equal to n^2.at n=7A067072
• Smallest square whose sum of digits is A056991(n).at n=21A067178
• Squares with strictly increasing sum of digits.at n=14A068809
• The squares related to the strictly increasing subsequence of A053667(n), n >= 1.at n=29A248648
• Numbers that are both averages of consecutive primes and nontrivial prime powers.at n=11A263675
• Squares whose arithmetic mean of digits is 7 (i.e., the sum of digits is 7 times the number of digits).at n=0A316487
• Perfect powers whose digits are in nondecreasing order.at n=35A355062