Basic Examples 
(2)
 

Test whether 8 is a wasteful number:
In[141]:=
[◼]
WastefulNumberQ
[8]
Out[141]=
True
———
Test whether 10 is a wasteful number:
In[144]:=
[◼]
WastefulNumberQ
[10]
Out[144]=
False

Scope 
(2)
 


Properties and Relations 
(1)
 


Neat Examples 
(1)
 
