110491domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes which are the decimal concatenation of 1, a prime, and 1.at n=34A270237Pseudo-safe-primes: numbers n = 2m+1 with 2^m congruent to n+1 or 3n-1 modulo m*n, but m composite.at n=7A300193Primes using all the square digits {0, 1, 4, 9} and no others.at n=29A331346Prime numbersat n=10487