Oplossing week 7

Dit zijn ondeugende priemgetallen:

• Naughty primes: primes in which the number of zeros is greater than the number of all other digits.

http://oeis.org/A164968

• 10007, 10009, 40009, 70001, 70003, 70009, 90001, 90007, 100003, 200003, 200009, 300007, 400009, 500009, 700001, 900001, 900007, 1000003, 1000033, 1000037, 1000039, 1000081, 1000099, 1000303, 1000403, 1000409, 1000507, 1000609, 1000907, 1001003, 1003001, ...