12 Days of Christmas
442
Abundant Numbers
818
Arabic to Roman
529
brainfuck
500
Christmas Trees
589
Divisors
726
Emirp Numbers
497
Evil Numbers
630
Fibonacci
556
770
Fizz Buzz
369
435
477
989434561
711
623
Happy Numbers
537
Leap Years
854
Niven Numbers
658
Odious Numbers
640
Pangram Grep
550
Prime Numbers
659
Quine
967861467432808561713940944557718
946193889937
π
619
√2
515