3333373

Properties

Appears in sequences

• Primes that contain digits 3 and 7 only.at n=26A020463
• Smallest n-digit prime containing only digits 3 and 7, or 0 if no such prime exists.at n=6A036942
• a(n) is the least prime following A002277(n) repdigits.at n=7A099657
• Numbers of form 21k+1 or 21k+2 that use only digits 3 and 7.at n=11A152853
• The smaller member of a near-repdigit emirp pair.at n=21A173595
• Least prime such that p^2 is a zeroless n-digit number.at n=13A195985
• Primes p such that one digit appears exactly six times together with a single different digit.at n=14A257937
• Prime numbersat n=239120