1442
This number is a composite.
1442!4 - 1 is a multifactorial prime. [Firoozbakht]
There are 1442 restricted left-truncatable primes [Homewood]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
1442!4 - 1 is a multifactorial prime. [Firoozbakht]
There are 1442 restricted left-truncatable primes [Homewood]