12 Days of Christmas
421
99 Bottles of Beer
306
Abundant Numbers
731
Abundant Numbers (Long)
809
Arithmetic Numbers
782
Catalan Numbers
1,000
Catalan’s Constant
635
Emirp Numbers
545
Emirp Numbers (Long)
608
Evil Numbers
1,000
Evil Numbers (Long)
1,000
Factorial Factorisation
535
Happy Numbers
361
Odious Numbers
1,000
Odious Numbers (Long)
1,000