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
414
Evil Numbers
436
Evil Numbers (Long)
433
Fibonacci
336
533
Fizz Buzz
870
Happy Numbers
394
Happy Numbers (Long)
451
Leap Years
382
541
ln 2
498
Niven Numbers
315
358
Niven Numbers (Long)
392503
397
Odious Numbers
436
Odious Numbers (Long)
427
Pernicious Numbers
273
Pernicious Numbers (Long)
348
Prime Numbers
324432536484
Prime Numbers (Long)
334
527515
Quine
439
RecamΓ‘n
590
Ο
149
Ο
152
Ο
501
β2
511