Abundant Numbers
284
Abundant Numbers (Long)
340
Arabic to Roman
444
Arithmetic Numbers
367
Catalan Numbers
424
Collatz
679
Day of Week
798
Divisors
442
Fibonacci
634
Fizz Buzz
461
Foo Fizz Buzz Bar
470
Fractions
462
ISBN
253565
Jacobi Symbol
463
Leap Years
588
Leyland Numbers
333
ln 2
513
Niven Numbers
541
Pernicious Numbers
460
Pernicious Numbers (Long)
525
Prime Numbers
436
Prime Numbers (Long)
465
π
174
𝑒
690