436921

Appears in sequences

• a(n) = prime^2 and digits of prime appear in a(n).at n=16A030081
• Squares-of-primes in which no two adjacent digits have the same parity.at n=19A030146
• Odd squares in which parity of digits alternates.at n=29A030156
• Composite numbers whose prime factors contain no digits other than 1 and 6.at n=18A036306
• Squares whose sum of digits as well as product of digits is a nonzero square.at n=14A061267
• Squares with property that digits alternate in parity individually as well as in concatenation with previous terms.at n=21A068888
• Prime powers of prime numbers such that the sum of its digits is also prime power of prime number.at n=27A076705
• Squares of the form prime(k)*prime(k+1) + 2*prime(k+1).at n=29A108604
• Squares such that another square can be obtained by a cyclic permutation of the digits, excluding leading zeros.at n=26A135780
• Smaller prime power associated with record gap in A167186.at n=26A167188
• Squares k such that, if k has d digits, k has at least one digit in common with every other d-digit square.at n=23A173943
• Square numbers with at least one digit in common with any other positive square number.at n=13A182657
• Prime powers p^k with even exponents k > 0 such that (1 + p^k)/2 is prime.at n=32A192618
• Square numbers in A070552.at n=25A263951
• Numbers k such that concat(k, d(k)) and concat(d(k), k) are both prime, where d(k) is the number of divisors of k.at n=17A284643