Abundant Numbers
3,715th3,371st4,070th3,361st2,255th2,718th3,034th1,444th2,730th
Abundant Numbers (Long)
2,119th2,164th2,415th1,654th1,912th1,301st953rd1,165th1,117th
Collatz
2,689th2,698th3,249th2,200th2,636th1,007th629th930th851st
Diamonds
880th1,630th
206th662nd362nd1,255th
Divisors
4,470th4,977th4,717th3,615th3,409th2,300th2,015th3,150th3,792nd
Evil Numbers
1,949th1,698th4,383rd3,758th845th954th1,132nd31st1,506th
Evil Numbers (Long)
991st1,357th2,464th2,125th1,829th823rd1,289th113th677th
Farey Sequence
993rd
941st
Fibonacci
7,841st
9,413th6,172nd4,371st1,198th
3,034th3,136th
Fizz Buzz
7,188th7,563rd9,486th6,966th5,198th2,815th4,511th4,448th4,263rd
Gijswijt’s Sequence
669th643rd807th699th629th587th514th335th489th
Happy Numbers
2,617th
3,047th2,832nd1,973rd2,111th
2,363rd
Happy Numbers (Long)
1,451st1,385th1,708th1,407th1,341st1,101st887th755th419th
Leap Years
3,242nd2,844th4,317th1,158th1,329th2,060th1,503rd1,355th2,018th
Niven Numbers
3,038th2,377th3,844th2,598th2,564th1,894th677th1,707th1,178th
Niven Numbers (Long)
2,112th2,006th2,280th2,175th2,114th1,416th722nd1,304th728th
Odious Numbers
1,720th1,341st3,682nd3,150th
790th909th34th1,349th
Odious Numbers (Long)
706th949th2,217th1,917th1,663rd659th953rd34th631st
Pascal’s Triangle
2,305th2,256th2,254th1,855th1,864th639th1,073rd1,534th1,490th
Pernicious Numbers
2,746th
1,624th656th1,192nd1,055th
Pernicious Numbers (Long)
1,096th901st1,341st1,276th1,298th1,224th369th514th1,051st
Prime Numbers
4,352nd3,990th5,396th4,049th2,941st3,806th2,361st2,422nd3,288th
Prime Numbers (Long)
2,196th1,691st2,705th1,714th2,121st1,555th877th1,307th1,445th
Sierpiński Triangle
552nd806th797th518th454th752nd330th342nd305th