Below are all primes up to digit-length 500 in the form of 10^a + 10^b + 10^c + 1, resulting in numbers that have a digitsum equal to 4. Numbers in bold are also prime when the prime is interpreted as a base-2 number.
Below are all primes up to digit-length 500 in the form of 10^a + 10^b + 10^c + 1, resulting in numbers that have a digitsum equal to 4. Numbers in bold are also prime when the prime is interpreted as a base-2 number.