71777

Properties

Appears in sequences

• Primes that contain digits 1 and 7 only.at n=17A020455
• Numbers having four 7's in base 10.at n=8A043520
• Smallest prime whose product of digits is 7^n.at n=4A090841
• Near-repdigit primes with 7 as repeated digit.at n=21A105977
• Primes with at least one digit appearing exactly four times in the decimal expansion.at n=23A161786
• Primes containing 777 as a substring.at n=19A167282
• Primes having only {0, 1, 7} as digits.at n=39A199327
• Prime numbers consisting of only odd digits such that there is only one permutation of its digits that produces a prime number.at n=18A225421
• Smallest prime numbers p of length n having a decimal expansion x(1)x(2)... x(n) such that there exists an index j where x(j) = 1 and x(i) = 7 for i<>j, or 0 if no such prime exists.at n=3A241027
• Primes having only {1, 7, 8} as digits.at n=40A260892
• Primes consisting of a single 1 and at least one copy of some other digit.at n=26A325934
• Number of vertices in an diagonal-edged (or diamond-shaped) checkerboard with width and height 2*n-1 (see Comments in A333434 for definition).at n=6A333459
• Primes ending in 777.at n=15A381004
• Prime numbersat n=7104