Digits (10 - 21): 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 1st to the 11th powers of 22: 22, 484, 10648, 234256, 5153632, 113379904, 2494357888, 54875873536, 1207269217792, 26559922791424, 584318301411328 Full Repetend Prime Numbers: 5, 17, 19, 31, 37, 41, 47, 53, 71, 83, 107, 131, 139, 191, 193, 199, 211, 223, 227, 233, 269, 281, 283, 307, 311, 317, 337, 347, 367, 383, 389, 397, 409, 421, 487 Classic Duovigesimal Converter: https://scratch.mit.edu/projects/810060392
