12 Days of Christmas
154th
Abundant Numbers
54th
Arabic to Roman
98th
brainfuck
108th
Christmas Trees
205th
Divisors
317th
Emirp Numbers
99th
Evil Numbers
160th
Fibonacci
67th
348th
Fizz Buzz
146th
592nd
216th
1st123rd207th
1,406th
236th
Happy Numbers
105th
Leap Years
190th
Niven Numbers
221st
Odious Numbers
139th
Pangram Grep
129th
Prime Numbers
179th
Quine
1st25th200th96th30th36th273rd1st1st38th51st
58th84th84th13th
π
76th
√2
410th