Digits (10 - 22): 10: Upside Down Lowercase A 11: Capital Letter K Mirror 12: Capital Letter L Mirror 13: Capital Letter W rotated 90 degrees clockwise 14: Mirrored Lightning 15: Vertical Line with line on the left 16: Capital Letter P Mirror 17: Vertical Line with oval on the top 18: Capital Letter R Mirror 19: Capital Letter B Mirror 20: Letter C Mirror 21: Letter D Mirror 22: Lambda Mirror Full Repetend Prime Numbers: 3, 5, 17, 47, 59, 89, 97, 113, 127, 131, 137, 149, 167, 179, 181, 223, 229, 281, 293, 307, 311, 337, 347, 389, 401, 421, 433, 439, 443, 457, 487, 491, 499, 521, 547
