72707

Properties

Appears in sequences

• Primes p of Erdos-Selfridge class 5+ with largest prime factor of p+1 not of class 4+.at n=13A129473
• Number of (n+2) X (1+2) 0..3 arrays with every 3 X 3 subblock row and column sum not equal to 0 2 4 6 or 7 and every 3 X 3 diagonal and antidiagonal sum equal to 0 2 4 6 or 7.at n=13A252516
• Primes having only {0, 2, 7} as digits.at n=23A261267
• Number of compositions (ordered partitions) of n into distinct parts where no part is a multiple of 5.at n=37A332311
• Primes where every other digit is 7 starting with the rightmost digit, and no other digit is 7.at n=29A348560
• Prime numbersat n=7191