Prime Curios!: 9967

9967
(another Prime Pages' Curiosity)

Curios:

Index
Keywords
Home
Glossary
The book!
Previous
Next
Random

Curios Search:
Participate:

Mail Editor
Submit Curio
Prime Puzzio
Test Number

Single Curio View: (Seek other curios for this number)

The largest 4-digit left-truncatable prime (emirp). It is also the largest four-digit deletable emirp. Deleting one digit at a time, we take a prime at each step, i.e., 967, 97, 7. Note that 967, 97 are also emirps. [Loungrides]

Submitted: 2009-05-04 05:29:51; Last Modified: 2009-05-04 17:11:57.