123239

Properties

Appears in sequences

• Primes of the form 5n^2 - 6.at n=12A201787
• Earliest occurrences of n consecutive primes ending in the same decimal digit, written as triangle T(n,k), 1<=k<=n.at n=11A329594
• Square array read by antidiagonals in ascending order T(n,k), n > 1 and k > 0, representing the least prime p that starts a run of exactly k consecutive primes, all having the same sum of digits in base n > 1, or -1 if no such number exists.at n=31A375765
• Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).at n=35A379585
• Numerators of the partial alternating sums of the reciprocals of the powerful part function (A057521).at n=37A379585
• Prime numbersat n=11583