Abundant Numbers
3,240th2,887th3,516th2,870th1,898th2,313th2,563rd1,201st2,296th
Abundant Numbers (Long)
1,719th1,763rd1,971st1,304th1,525th1,006th695th920th827th
Collatz
2,248th2,311th2,773rd1,888th2,138th1,116th574th612th695th
Diamonds
673rd1,308th
161st519th281st972nd
Divisors
3,770th4,490th4,121st3,124th3,009th2,057th1,420th2,658th3,328th
Evil Numbers
1,627th1,388th3,824th3,259th686th753rd825th43rd1,198th
Evil Numbers (Long)
785th1,073rd2,055th1,574th1,476th650th1,037th107th543rd
Farey Sequence
751st
703rd
Fibonacci
6,742nd
8,164th5,253rd3,710th1,036th
2,565th2,611th
Fizz Buzz
6,690th6,890th8,624th6,279th4,762nd2,554th4,012th4,023rd3,526th
Gijswijt’s Sequence
482nd494th614th467th490th324th393rd246th375th
Happy Numbers
2,283rd
2,684th2,494th1,682nd1,793rd
2,026th
Happy Numbers (Long)
1,185th1,153rd1,457th1,135th1,117th890th710th606th330th
Leap Years
2,371st2,457th3,771st982nd992nd1,791st723rd1,228th703rd
Niven Numbers
2,513th1,934th3,278th2,079th2,121st1,564th515th1,413th905th
Niven Numbers (Long)
1,641st1,582nd1,860th1,750th1,709th1,124th507th1,056th568th
Odious Numbers
1,239th1,056th3,192nd2,695th
626th684th41st1,058th
Odious Numbers (Long)
565th715th1,848th1,473rd1,328th521st721st39th491st
Pascal’s Triangle
1,957th1,921st1,897th1,554th1,568th535th856th1,248th1,212th
Pernicious Numbers
2,146th
1,210th476th926th776th
Pernicious Numbers (Long)
729th636th997th996th1,038th961st295th306th800th
Prime Numbers
3,767th3,413th4,724th3,487th2,432nd3,243rd1,960th2,008th2,753rd
Prime Numbers (Long)
1,742nd1,316th2,215th1,335th1,659th1,092nd674th1,026th1,115th
Sierpiński Triangle
381st666th614th332nd378th623rd259th280th407th