9765624

Appears in sequences

• a(n) = 5^n - 1.at n=10A024049
• Numbers that are repdigits in base 5.at n=40A048330
• Jordan function J_10(n).at n=4A069095
• a(n) = 0^n + 5^n - 1.at n=10A103455
• a(n) = n^(2*n) - 1.at n=5A117812
• a(n) = n^10 - 1.at n=4A123867
• Numbers of the form i*5^j-1 (i=1..4, j >= 0).at n=40A181287
• a(n) = n^5 - 1.at n=24A258807
• a(n) = 5^n-(-1)^n.at n=10A274072
• a(n) = Sum_{d|n} mu(n/d)*5^(d-1).at n=10A295506
• The "Fouriest" numbers: numbers that can be expressed as a string of 4's longer than the original number in some base.at n=15A349031
• Even positive numbers that are one less than the square of a perfect power.at n=34A389955