12 Days of Christmas
411
99 Bottles of Beer
304
Abundant Numbers
716
Abundant Numbers (Long)
785
Arithmetic Numbers
758
Catalan Numbers
969
Catalan’s Constant
616
Emirp Numbers
533
Emirp Numbers (Long)
587
Evil Numbers
980
Evil Numbers (Long)
972
Factorial Factorisation
517
Happy Numbers
352
Odious Numbers
977
Odious Numbers (Long)
969