What schools of numerology are there?

There are blind sects in numerology, represented by Duan Jianye and Yang Qingjuan, traditional sects, Yuan Haiziping, represented by Song Yingcheng and young laymen, and new sects, represented by Li Hanchen, Zhu Guoying and Dong Xiaoming. There are no laymen, there are quantitative eight-character studies, represented by Li Ming, and there are some between traditional sects and new sects, such as Qu Wei and Li Shunxiang.