558009

Appears in sequences

• a(1) = 1, then least square such that every partial concatenation is a prime.at n=24A090257
• a(n) = A099371(n)^2.at n=4A099372
• Squares for which both the sum of the digits and the product of the digits are cubes.at n=30A117687
• Squares that become a prime number when prefixed with a 2.at n=33A167717
• Squares that become a prime number when prefixed with a 5.at n=23A167720
• a(n) = Sum_{k=1..n} A175350(k).at n=14A175351
• Squares that remain squares if you decrease them by 3 times a repunit with the same number of digits.at n=9A273230
• Numbers n such that for all divisors of n, ratios of 2 consecutive divisors of n will always reduce to lowest terms to a fraction with numerator=denominator+2.at n=34A280963
• Perfect squares of the form a + b^2 + c^3, where a,b,c are consecutive numbers.at n=8A325173
• Numbers N of the form m^k in ascending order having the property that for any choice of m and k such that N = m^k, the sets of distinct digits of m, k, and m^k are pairwise disjoint.at n=37A353057
• Squares whose base-3 expansion has no 2.at n=45A363408