Abundant Numbers
1,876th138th1,651st2,696th
Arabic to Roman
Collatz
Diamonds
Divisors
1,800th3,240th
Emirp Numbers
Evil Numbers
2,836th2,352nd1,813th3,121st
Evil Numbers (Long)
1,582nd1,307th1,204th1,611th
Fibonacci
7,271st3,399th6,573rd6,963rd
Fizz Buzz
6,695th5,703rd8,168th7,937th
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Intersection
ISBN
Leap Years
2,402nd1,517th
Look and Say
Niven Numbers
1,733rd1,952nd
Odious Numbers
Pangram Grep
371st659th1,071st912th
Pascalβs Triangle
Pernicious Numbers
2,390th1,648th1,993rd2,271st
Prime Numbers
2,188th1,766th2,249th2,773rd
Prime Numbers (Long)
1,095th947th1,358th1,353rd
Reverse Polish Notation
Rock-paper-scissors-Spock-lizard
506th309th
Roman to Arabic