The series shows consecutive cube numbers: 8=2³, 27=3³, 125=5³, 512=8³, 1728=12³. The bases are 2, 3, 5, 8, 12 - not consecutive. However, 2744=14³, 3375=15³, 4913=17³, 5832=18³. The pattern seems to skip cubes. Given 1728=12³, next should be 13³=2197 or 14³=2744, but 4913=17³ is marked correct. Pattern is unclear.