698896
domain: N
Appears in sequences
- Palindromic squares.at n=14A002779
- Palindromic squares with an even number of digits.at n=0A027829
- Palindromes whose sum of divisors is odd.at n=17A028984
- Squares which when written backwards remain square (final 0's excluded).at n=29A033294
- Palindromes with exactly 8 prime factors (counted with multiplicity).at n=15A046334
- Squares whose digits occur with an equal minimal frequency of 2.at n=5A052050
- Squares composed of digits {6,8,9}.at n=3A053975
- Palindromic squares of sporadic type.at n=3A059745
- Smallest square with digit sum n (or 0 if no such square exists).at n=45A062685
- Smallest square whose sum of digits is A056991(n).at n=20A067178
- Squares with strictly increasing sum of digits.at n=13A068809
- Squares containing 2k digits in which the sum of the first k digits = that of the rest.at n=25A068897
- Smallest n-digit square with maximum digit sum.at n=5A069665
- Palindromic perfect powers.at n=16A075786
- Even-digit palindromic perfect powers.at n=1A076443
- Largest n-digit square beginning with n.at n=5A077512
- Perfect squares using only the curved digits 0, 3, 6, 8 and 9.at n=21A079655
- Smallest palindromic number with exactly n divisors, or 0 if no such number exists.at n=44A083753
- Least k such that k and digit reversal of k both have n divisors, or 0 if no such number exists.at n=44A090315
- Numbers n such that n and pi(n) (A000720) are palindromic.at n=42A103357