166931

Properties

Appears in sequences

• Zeroless primes that remain prime if any digit is deleted.at n=34A034302
• a(n) = ceiling(A013984(n)/2).at n=30A173697
• Table T(n,k), 0 < n and 0 <= k < n, where the n-th row contains the smallest n-digit primes that remain prime even if any k of their digits are deleted, or -1 if no such prime exists.at n=13A378697
• Prime numbersat n=15249