987917

Appears in sequences

• Smallest number whose square has sum of digits A056991(n).at n=42A067179
• Square roots of A068809.at n=34A068947
• Numbers k such that k and k^2 use only the digits 1, 5, 7, 8 and 9.at n=5A137063
• Numbers whose squares have a digit average greater than 8.at n=2A164841
• a(n) is the smallest m for which there appears for the first time a prime p which equals odd part of sum of digits of m^2.at n=17A225430
• a(n) is the largest n-digit number whose square has a digital sum equal to A348300(n).at n=5A348303
• Numbers whose squares have a digit average of 8 or more.at n=4A360803
• a(n) is the least n-digit number whose square has the maximum sum of digits (A348300(n)).at n=5A370522
• Largest number k for which k^2 is n digits long and has the maximum sum of digits possible for such a square (A371728(n)).at n=11A379298