12 Days of Christmas
751
99 Bottles of Beer
694
Abundant Numbers
717713
Arabic to Roman
520
Christmas Trees
551
Diamonds
440
Divisors
797
Emirp Numbers
474
Evil Numbers
784
Fibonacci
824
Fizz Buzz
592
Happy Numbers
403
Leap Years
705
Niven Numbers
859
Odious Numbers
781
Pascal’s Triangle
505
Pernicious Numbers
683
Prime Numbers
585
Quine
945
Roman to Arabic
409
Seven Segment
595
Spelling Numbers
343
π
302