Abundant Numbers
3,432nd3,076th3,730th3,051st2,076th2,482nd2,750th1,307th2,469th
Abundant Numbers (Long)
1,881st1,912th2,142nd1,461st1,703rd1,141st799th1,057th957th
Collatz
2,476th2,507th2,999th2,060th2,355th952nd638th672nd769th
Diamonds
734th1,396th
167th560th297th1,059th
Divisors
3,949th4,651st4,293rd3,293rd3,182nd2,213th1,743rd2,836th3,504th
Evil Numbers
1,694th1,503rd4,046th3,456th726th797th877th47th1,309th
Evil Numbers (Long)
838th1,161st2,205th1,724th1,627th698th1,119th120th579th
Farey Sequence
845th
788th
Fibonacci
7,226th
8,741st5,634th3,996th1,086th
2,771st2,818th
Fizz Buzz
6,826th7,119th8,911th6,524th4,961st2,681st4,200th4,217th3,686th
Gijswijt’s Sequence
530th541st686th512th539th350th428th272nd403rd
Happy Numbers
2,397th
2,801st2,606th1,817th1,928th
2,155th
Happy Numbers (Long)
1,307th1,240th1,556th1,227th1,210th988th788th677th361st
Leap Years
2,679th2,628th3,950th1,089th1,103rd1,940th806th1,345th802nd
Niven Numbers
2,691st2,077th3,473rd2,243rd2,289th1,705th545th1,546th988th
Niven Numbers (Long)
1,791st1,729th2,006th1,898th1,852nd1,222nd604th1,153rd542nd
Odious Numbers
1,342nd1,168th3,391st2,883rd
658th733rd45th1,170th
Odious Numbers (Long)
594th787th1,994th1,617th1,465th568th797th43rd516th
Pascal’s Triangle
2,081st2,045th2,022nd1,660th1,679th534th925th1,346th1,303rd
Pernicious Numbers
2,323rd
1,347th542nd994th817th
Pernicious Numbers (Long)
807th706th1,094th1,092nd1,138th1,056th326th338th880th
Prime Numbers
4,005th3,654th5,004th3,720th2,641st3,487th2,100th2,169th2,977th
Prime Numbers (Long)
1,947th1,479th2,435th1,503rd1,872nd1,220th740th1,167th1,251st
Sierpiński Triangle
404th709th659th357th405th664th276th298th435th