Delicate prime

A delicate prime, digitally delicate prime, or weakly prime number is a prime number where, under a given radix but generally decimal, replacing any one of its digits with any other digit always results in a composite number.[1]

  1. ^ Nadis, Steve (30 March 2021). "Mathematicians Find a New Class of Digitally Delicate Primes". Quanta Magazine. Archived from the original on 2021-03-30. Retrieved 2021-04-01.