12 Days of Christmas
781
99 Bottles of Beer
696
Abundant Numbers
738718
Arabic to Roman
520
Christmas Trees
555
Diamonds
444
Divisors
802
Emirp Numbers
483
Evil Numbers
786
Fibonacci
826
Fizz Buzz
594
Happy Numbers
405
Leap Years
707
Niven Numbers
866
Odious Numbers
784
Pascal’s Triangle
506
Pernicious Numbers
686
Prime Numbers
586
Quine
944
Roman to Arabic
411
Seven Segment
609
Spelling Numbers
368
π
303