Abundant Numbers
688
Abundant Numbers (Long)
818
Arithmetic Numbers
747
Catalan Numbers
510
Emirp Numbers
394
Emirp Numbers (Long)
433
Evil Numbers
689
Evil Numbers (Long)
677
Fibonacci
756
Kolakoski Sequence
687
Lucky Numbers
419
Niven Numbers
627
Niven Numbers (Long)
688
Number Spiral
257247
Odious Numbers
712
Odious Numbers (Long)
699
Pernicious Numbers
515
Pernicious Numbers (Long)
429
Quine
946
Smith Numbers
590
Tongue-twisters
494563
π
521
τ
509
φ
833