202001

Properties

Appears in sequences

• Primes whose sum of digits is 5.at n=38A062341
• Primes whose decimal representation also represents a prime in base 3.at n=24A089981
• Number of n-celled polyominoes which are of rectangular but not square type.at n=12A259087
• Primes p such that if q is the next prime, A004086(p*q) = A004086(p)*A004086(q).at n=21A349709
• Prime numbersat n=18149