42499

Properties

Appears in sequences

• a(n) = 68*n^2 - 1.at n=24A158730
• Pairs of consecutive primes {p,q} for which the numbers of distinct residues of all factorials mod p and mod q coincide.at n=40A210242
• Primes which become squares when the digits are rotated once to the right.at n=24A234925
• Numbers k such that 399*2^k+1 is prime.at n=34A323044
• Primes that are palindromic in factorial base.at n=29A333421
• Primes having only {2, 4, 9} as digits.at n=16A385785
• Primes having only {2, 4, 5, 9} as digits.at n=30A386154
• Primes having only {2, 4, 6, 9} as digits.at n=41A386156
• Primes having only {2, 4, 8, 9} as digits.at n=33A386159
• Prime numbersat n=4447