48023

Properties

Appears in sequences

• Concatenations C1 and C2 and C3 and C4 are all prime (see the comment lines).at n=13A034819
• Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.at n=16A036339
• Numbers n such that phi(reverse(n)) = phi(reverse(n-1)) + phi(reverse(n-2)).at n=25A069969
• Number of compositions of n into odd blocks with one element in each block distinguished.at n=15A119749
• Primes of the form 7*n^3 + 10.at n=4A201258
• Primes of the form 5n^2 + 3.at n=19A201482
• Prime numbersat n=4948