12 Days of Christmas
765
99 Bottles of Beer
696
Abundant Numbers
716713
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
704
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
348
π
302