555553332211
This number is a prime.
55 5553332211
A prime formed from the first five Fibonacci numbers in reverse order, each number n repeated n times. [Silva]
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
55 5553332211
A prime formed from the first five Fibonacci numbers in reverse order, each number n repeated n times. [Silva]