Abundant Numbers
636
Abundant Numbers (Long)
705
Emirp Numbers
500
Emirp Numbers (Long)
573
Evil Numbers
889
Evil Numbers (Long)
872
Fibonacci
947
Happy Numbers
457
Happy Numbers (Long)
575
Inventory Sequence
761
ISBN
568
Leap Years
717
Leyland Numbers
608
Niven Numbers
880
Niven Numbers (Long)
758
Odious Numbers
851
Odious Numbers (Long)
837
Pangram Grep
709
Prime Numbers
513
Prime Numbers (Long)
564
RecamΓ‘n
764
Spelling Numbers
237