76729

Appears in sequences

• a(n) = (8*n + 5)^2.at n=34A017126
• a(n) = (10*n + 7)^2.at n=27A017354
• a(n) = (11*n + 2)^2.at n=25A017414
• a(n) = (12*n + 1)^2.at n=23A017534
• a(n) = prime^2 and digits of prime appear in a(n).at n=6A030081
• Squares-of-primes in which no two adjacent digits have the same parity.at n=14A030146
• Squares in which parity of digits alternates.at n=35A030152
• Odd squares in which parity of digits alternates.at n=23A030156
• Squares with initial digit '7'.at n=20A045791
• sigma(n)-n is a perfect square associated with A049226.at n=28A049228
• Composite numbers k such that the sum of the divisors of k^2 is a prime.at n=28A065405
• Squares which when reversed are primes (ignore leading zeros).at n=25A068989
• Square of primes of the form 4k+1 (A002144).at n=26A080109
• Triangular numbers + 1 squared.at n=23A086601
• Perfect powers whose digit reversal is prime.at n=28A088112
• Squares of A006450: a(n) = prime(prime(n))^2.at n=16A092769
• Squares of the form 4*A014574(n-1) + 1.at n=18A131706
• Hypotenuses of primitive Pythagorean triples which are not prime numbers and which are the hypotenuse of a unique triangle.at n=36A146945
• Squares which can be represented as the sum of consecutive primes in more than one way.at n=27A163246
• Squares that becomes primes when prefixed with a 3.at n=24A167718