1249999domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 2^r*5^s - 1.at n=25A077313Primes of the form 10n^3-1.at n=14A201036Primes p such that the sum of decimal digits of p is the sum of primes dividing p+1 (with repetition).at n=20A338972Numbers k such that k and k+1 are both in A359747.at n=26A359748Prime numbersat n=96469