Abundant Numbers
3,166th3,227th3,809th2,957th2,603rd2,888th1,882nd2,873rd2,211th
Abundant Numbers (Long)
2,043rd1,973rd2,285th1,726th1,918th1,469th1,134th1,729th1,338th
Collatz
2,629th2,521st3,138th2,348th2,634th1,266th767th1,584th936th
Diamonds
651st1,361st
219th697th473rd1,267th
Divisors
4,416th4,731st4,617th3,651st3,424th2,371st2,209th4,109th3,774th
Evil Numbers
1,061st991st4,288th2,554th880th947th564th21st871st
Evil Numbers (Long)
820th911th2,335th1,848th1,747th786th1,220th122nd670th
Farey Sequence
923rd
853rd
Fibonacci
7,558th
9,097th5,965th4,196th1,157th
2,877th3,017th
Fizz Buzz
7,328th6,693rd7,275th7,056th5,334th3,840th4,801st5,869th4,575th
Gijswijt’s Sequence
610th496th741st575th602nd446th347th424th465th
Happy Numbers
2,314th
3,002nd2,601st1,936th1,891st
1,502nd
Happy Numbers (Long)
1,359th1,197th1,595th1,365th1,338th1,132nd860th1,123rd473rd
Leap Years
2,995th2,293rd4,077th1,076th1,212th1,922nd1,362nd1,238th1,872nd
Niven Numbers
2,449th2,298th3,457th2,339th2,503rd1,982nd724th1,777th747th
Niven Numbers (Long)
1,994th1,859th2,146th2,064th2,003rd1,335th705th1,713th711th
Odious Numbers
819th885th3,614th2,535th
831st443rd21st746th
Odious Numbers (Long)
632nd659th2,113th1,727th1,570th661st867th21st626th
Pascal’s Triangle
2,223rd2,161st2,179th1,702nd1,801st680th1,054th1,925th1,473rd
Pernicious Numbers
2,542nd
1,494th643rd1,084th1,005th
Pernicious Numbers (Long)
855th736th1,203rd1,173rd1,222nd1,148th400th577th984th
Prime Numbers
3,824th3,577th5,224th4,039th2,905th3,797th1,698th2,931st2,058th
Prime Numbers (Long)
2,008th1,537th2,532nd1,596th2,001st1,332nd854th1,357th1,359th
Sierpiński Triangle
417th671st686th397th420th699th304th551st298th