Find The Next Number
12 13 15 17 111 113 117 119 123 ?
129.
These are the first 10 prime numbers (2, 3, 5...) prefixed with a 1
Find The Next Number
12 13 15 17 111 113 117 119 123 ?
129.
These are the first 10 prime numbers (2, 3, 5...) prefixed with a 1
