Question

In numbers from 13 to 19:the second part agrees with معدودthe first part does not agree with معدود As you can see, in ثَلاَثَة عشر طالباً the (ma'dud) is طالب and it is masculine, so the second part of the number is عشر is masculine while the first part ثلاثةَ is feminine as indicated by the ة-ending.- - -More in B2L6.

Accepted Answer

ثَلاثَةَ عَشَرَ طالباً (ma'dud is masc.)VS.ثَلاثَ عَشْرَةَ طالبةً (ma'dud is femin.)

Text	In numbers from 13 to 19: the second part agrees with معدود the first part does not agree with معدود
Back Extra	ثَلاثَةَ عَشَرَ طالباً (ma'dud is masc.) VS. ثَلاثَ عَشْرَةَ طالبةً (ma'dud is femin.)
Book Extra Notes	As you can see, in ثَلاَثَة عشر طالباً the (ma'dud) is طالب and it is masculine, so the second part of the number is عشر is masculine while the first part ثلاثةَ is feminine as indicated by the ة-ending. - - - More in B2L6.

Part Ma'dud معدود طالباً عشر Numbers Agrees ثَلاثَةَ