Abundant Numbers
3,391st3,031st3,680th3,005th2,024th2,435th2,709th1,278th2,430th
Abundant Numbers (Long)
1,846th1,874th2,106th1,429th1,667th1,111th782nd1,026th928th
Collatz
2,388th2,456th2,940th2,022nd2,301st958th622nd660th754th
Diamonds
726th1,383rd
162nd554th291st1,028th
Divisors
3,911th4,610th4,252nd3,257th3,148th2,184th1,721st2,800th3,467th
Evil Numbers
1,668th1,463rd3,994th3,411th702nd778th891st46th1,276th
Evil Numbers (Long)
817th1,140th2,169th1,691st1,593rd700th1,105th116th565th
Farey Sequence
820th
765th
Fibonacci
7,156th
8,658th5,559th3,939th1,079th
2,735th2,781st
Fizz Buzz
6,775th7,064th8,853rd6,471st4,899th2,656th4,164th4,177th3,657th
Gijswijt’s Sequence
520th530th673rd503rd528th344th418th268th397th
Happy Numbers
2,373rd
2,774th2,581st1,794th1,905th
2,130th
Happy Numbers (Long)
1,286th1,221st1,535th1,208th1,191st970th774th661st353rd
Leap Years
2,494th2,583rd3,902nd1,067th1,079th1,917th794th1,318th768th
Niven Numbers
2,654th2,041st3,433rd2,207th2,255th1,677th551st1,516th964th
Niven Numbers (Long)
1,759th1,697th1,972nd1,866th1,822nd1,203rd547th1,134th526th
Odious Numbers
1,321st1,138th3,352nd2,848th
659th717th44th1,140th
Odious Numbers (Long)
583rd765th1,962nd1,587th1,433rd562nd772nd42nd505th
Pascal’s Triangle
2,057th2,022nd1,999th1,638th1,657th525th909th1,325th1,284th
Pernicious Numbers
2,294th
1,330th537th983rd810th
Pernicious Numbers (Long)
791st690th1,074th1,072nd1,120th1,036th324th331st864th
Prime Numbers
3,940th3,588th4,915th3,657th2,586th3,422nd2,060th2,126th2,919th
Prime Numbers (Long)
1,882nd1,431st2,358th1,450th1,804th1,188th722nd1,128th1,214th
Sierpiński Triangle
399th697th646th349th397th652nd272nd296th426th