Abundant Numbers
3,515th3,148th3,840th3,122nd2,121st2,548th2,818th1,356th2,530th
Abundant Numbers (Long)
1,965th1,994th2,247th1,512th1,777th1,188th817th1,099th994th
Collatz
2,575th2,577th3,090th2,097th2,417th946th639th678th767th
Diamonds
774th1,462nd
174th590th318th1,108th
Divisors
4,206th4,728th4,360th3,342nd3,230th2,210th1,763rd2,877th3,558th
Evil Numbers
1,731st1,536th4,130th3,516th742nd813th894th50th1,317th
Evil Numbers (Long)
844th1,178th2,254th1,750th1,649th707th1,132nd124th589th
Farey Sequence
875th
818th
Fibonacci
7,356th
8,898th5,734th4,077th1,093rd
2,851st2,820th
Fizz Buzz
6,881st7,186th8,998th6,581st5,016th2,708th4,245th4,269th3,727th
Gijswijt’s Sequence
583rd556th704th526th552nd403rd435th282nd416th
Happy Numbers
2,462nd
2,900th2,685th1,861st1,971st
2,217th
Happy Numbers (Long)
1,340th1,273rd1,605th1,260th1,238th1,008th789th687th361st
Leap Years
2,720th2,660th4,036th1,089th1,321st1,971st796th1,349th775th
Niven Numbers
2,758th2,134th3,586th2,305th2,364th1,749th551st1,581st1,006th
Niven Numbers (Long)
1,879th1,751st2,053rd1,935th1,886th1,233rd552nd1,163rd532nd
Odious Numbers
1,371st1,196th3,463rd2,930th
671st753rd48th1,199th
Odious Numbers (Long)
604th808th2,040th1,643rd1,489th587th816th46th532nd
Pascal’s Triangle
2,114th2,089th2,064th1,692nd1,718th552nd939th1,382nd1,336th
Pernicious Numbers
2,425th
1,388th516th1,021st869th
Pernicious Numbers (Long)
827th729th1,130th1,125th1,176th1,086th334th352nd903rd
Prime Numbers
4,081st3,736th5,142nd3,801st2,706th3,565th2,144th2,225th3,038th
Prime Numbers (Long)
1,987th1,513th2,500th1,531st1,911th1,243rd756th1,189th1,273rd
Sierpiński Triangle
415th718th670th370th416th674th283rd307th273rd