220900

Appears in sequences

• Squares that are the sum of two consecutive primes.at n=31A062703
• Numbers k such that A094471(k) is prime.at n=38A096847
• Squares of the form p1 - 1 where p1 is a lower twin prime.at n=18A145823
• Squares such that square+-3=primes.at n=20A153262
• Numbers n such that (the sum of the divisors of n) plus (the sum of the squares of the divisors of n) plus (the sum of the cubes of the divisors of n) is a prime number.at n=18A220586
• Squares representable as b! + triangular(c).at n=35A230365
• Perfect powers which are the sum of two consecutive primes.at n=37A245360
• e-numbers of free pure symmetric multifunctions with one atom.at n=14A318149
• Squares where larger digits have smaller multiplicity.at n=18A378498