12 Days of Christmas
513461
99 Bottles of Beer
290
Abundant Numbers
340
Abundant Numbers (Long)
344587
Arithmetic Numbers
276493
Christmas Trees
129
Collatz
524453
Divisors
510
Emirp Numbers
362285
Emirp Numbers (Long)
411322
Evil Numbers
369
Evil Numbers (Long)
464
Factorial Factorisation
357
Fibonacci
324237
Fizz Buzz
281356
Foo Fizz Buzz Bar
290310
Happy Numbers
166
Happy Numbers (Long)
184
Leap Years
489
Niven Numbers
264
Odious Numbers
221
Pernicious Numbers
156
Pernicious Numbers (Long)
183
Prime Numbers
285377
Prime Numbers (Long)
249
Seven Segment
61
Smith Numbers
148
Vampire Numbers
117