12 Days of Christmas
865
99 Bottles of Beer
664
Abundant Numbers
739
Arabic to Roman
572
Christmas Trees
670
Collatz
660
Divisors
891
Emirp Numbers
565
Evil Numbers
786
Fibonacci
546696
Fizz Buzz
977
Foo Fizz Buzz Bar
987
Happy Numbers
524
Leap Years
815
Niven Numbers
747
Odious Numbers
784
Ordinal Numbers
806
Pangram Grep
788
Pascal’s Triangle
863
Pernicious Numbers
686
Prime Numbers
872
Prime Numbers (Long)
680
Quine
944
Recamán
719
Roman to Arabic
572
Seven Segment
495
Spelling Numbers
520
Time Distance
702
π
63
φ
698
√2
707