2121121

Properties

Appears in sequences

• Primes that contain digits 1 and 2 only.at n=19A020450
• Primes with digital product = 8.at n=22A107694
• List of subwords of A003842 arranged in lexicographic order.at n=34A213975
• Prime numbers whose digits are k+1 1's and k 2's for some k >= 1.at n=7A276461
• Prime numbersat n=157262