12 Days of Christmas
778
99 Bottles of Beer
696
Abundant Numbers
724718
Arabic to Roman
520
Christmas Trees
555
Diamonds
444
Divisors
802
Emirp Numbers
476
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
947
Roman to Arabic
412
Seven Segment
604
Spelling Numbers
368
π
303