Abundant Numbers
3,327th2,971st3,612th2,946th1,970th2,378th2,650th1,251st2,375th
Abundant Numbers (Long)
1,792nd1,833rd2,056th1,376th1,610th1,059th732nd971st883rd
Collatz
2,355th2,423rd2,901st1,983rd2,268th1,181st617th651st742nd
Diamonds
695th1,348th
161st536th286th999th
Divisors
3,860th4,565th4,202nd3,209th3,095th2,133rd1,692nd2,746th3,414th
Evil Numbers
1,627th1,422nd3,925th3,353rd697th769th841st44th1,237th
Evil Numbers (Long)
799th1,105th2,130th1,650th1,552nd668th1,075th110th553rd
Farey Sequence
801st
741st
Fibonacci
6,952nd
8,413th5,425th3,844th1,032nd
2,662nd2,715th
Fizz Buzz
6,674th6,971st8,745th6,392nd4,821st2,618th4,090th4,104th3,597th
Gijswijt’s Sequence
501st512th641st484th506th329th399th250th378th
Happy Numbers
2,330th
2,735th2,544th1,740th1,850th
2,078th
Happy Numbers (Long)
1,253rd1,188th1,494th1,176th1,160th935th744th637th338th
Leap Years
2,455th2,551st3,852nd1,027th1,039th1,865th758th1,279th736th
Niven Numbers
2,610th1,992nd3,386th2,160th2,206th1,622nd543rd1,466th931st
Niven Numbers (Long)
1,712th1,651st1,932nd1,824th1,779th1,166th528th1,092nd508th
Odious Numbers
1,290th1,105th3,309th2,810th
641st702nd42nd1,107th
Odious Numbers (Long)
581st739th1,927th1,551st1,398th549th750th40th505th
Pascal’s Triangle
2,029th1,993rd1,970th1,608th1,627th548th891st1,298th1,252nd
Pernicious Numbers
2,254th
1,290th497th972nd791st
Pernicious Numbers (Long)
758th661st1,047th1,046th1,091st1,008th304th313th834th
Prime Numbers
3,869th3,519th4,837th3,585th2,521st3,354th2,022nd2,074th2,851st
Prime Numbers (Long)
1,838th1,390th2,317th1,408th1,760th1,153rd707th1,092nd1,177th
Sierpiński Triangle
390th681st632nd338th388th639th264th289th417th