Abundant Numbers
501
564
Abundant Numbers (Long)
488
576
Arithmetic Numbers
622
Catalan Numbers
246
Collatz
410528603659
Day of Week
612
Divisors
433
721597
Emirp Numbers
413
Evil Numbers
435
Evil Numbers (Long)
433
Fibonacci
336
533
Fizz Buzz
870
Happy Numbers
394
Happy Numbers (Long)
450
Leap Years
381
540
ln 2
498
Niven Numbers
315
358
Niven Numbers (Long)
391503
397
Odious Numbers
436
Odious Numbers (Long)
427
Pernicious Numbers
273
Pernicious Numbers (Long)
348
Prime Numbers
324432535484
Prime Numbers (Long)
334
526515
Quine
439
RecamΓ‘n
590
Ο
149
Ο
151
Ο
501
β2
511