1006009
domain: N
Appears in sequences
- Squares which when written backwards remain square (final 0's excluded).at n=32A033294
- Non-palindromic squares which when written backwards remain square (and still have the same number of digits).at n=17A035090
- Squares k^2 such that reverse(k)^2 = reverse(k^2), excluding squares of palindromes.at n=15A064021
- Perfect powers not a multiple of 10 whose digit reversal is also a perfect power (not necessarily with the same exponent, but with exponent > 1).at n=35A110811
- Squares whose digit reversal is a brilliant number (A078972).at n=32A115667
- a(n) = A061909(n)^2.at n=40A129967
- Perfect squares with property that their digit reversal is a larger perfect square.at n=9A156316
- Numbers which are perfect squares and either form equal or larger perfect squares when reversed.at n=25A156317
- Non-palindromic squares whose digit reversal gives a square (possibly with fewer digits).at n=33A161902
- a(n) = the smallest n-digit number with exactly 9 divisors, a(n) = 0 if no such number exists.at n=6A182677
- a(n) is the least perfect power whose digits can be rearranged in n different ways (including itself) to form perfect powers.at n=7A337245
- Rotationally ambigrammatic square numbers with no trailing zeros.at n=37A340164