For instance, 101 is a "cyclops prime" — a prime number with an "eye" — or zero — in the middle. Diversions. Prime Number Guru Unravels Mysteries Of 101. April 11, 2009 4:00 PM ET.

Similarly, palindromic prime numbers are primes whose decimal expansions read the same forwards or backwards. 11, 101, and 16561 are some examples of palindromic primes.

Using a notion called integer partitions, mathematicians have discovered a new way to detect prime numbers while also ...

A year after tackling how close together prime number pairs can stay, mathematicians have now made the first major advance in 76 years in understanding how far apart primes can be.