43333

Appears in sequences

• Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x.at n=18A047827
• Start of the first run of exactly n consecutive odd composite numbers.at n=28A075067
• Near-repdigit semiprimes with 3 as repeated digit.at n=35A105984
• The least semiprime (A001358) such that between it and the next n semiprimes, but not the next n+1 semiprimes, there are no primes.at n=17A228170
• Number of intersection points formed by drawing the line segments connecting any two lattice points of an n X m convex lattice polygon written as triangle T(n,m), n >= 1, 1 <= m <= n.at n=32A288180
• Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357".at n=20A295708
• Sum of the largest parts of the partitions of n into 10 squarefree parts.at n=51A326637