单数有哪些数

1,3,5,7,9,11,13,15,17,21,23,25,27,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63,67,69,81,83,85,87,89,91,93,95,97,99,101,111,113,115,117,119,211,213,215,219等等