Abundant Numbers
490
551
Abundant Numbers (Long)
519
524
Arithmetic Numbers
544
Catalan Numbers
253
Collatz
418556644564
Day of Week
511
Divisors
448
763574
Emirp Numbers
342
Evil Numbers
462
Evil Numbers (Long)
469
Fibonacci
338
556
Fizz Buzz
894
Happy Numbers
312
Happy Numbers (Long)
394
Leap Years
394
559
ln 2
505
Niven Numbers
327
364
Niven Numbers (Long)
414533
407
Odious Numbers
469
Odious Numbers (Long)
469
Pernicious Numbers
280
Pernicious Numbers (Long)
352
Prime Numbers
331455548494
Prime Numbers (Long)
346
565530
Quine
447
RecamΓ‘n
545
Ο
136
Ο
164
Ο
505
β2
521