99444...44499 (34023-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

Just showing those entries submitted by 'Xayah': (Click here to show all)

A minimal palindromic prime, i.e., a palindromic prime such that deleting any number of its digits never gives another palindromic prime. [Xayah]