Abundant Numbers
2,839th2,890th3,435th2,586th2,284th2,552nd1,512th2,597th1,865th
Abundant Numbers (Long)
1,752nd1,677th1,957th1,422nd1,616th1,251st913th1,432nd1,083rd
Collatz
2,278th2,230th2,765th2,092nd2,312th1,548th871st1,027th1,008th
Diamonds
523rd1,128th
192nd562nd409th1,073rd
Divisors
3,873rd4,402nd4,183rd3,267th3,157th2,137th1,757th3,826th3,420th
Evil Numbers
947th897th3,873rd2,269th827th871st445th43rd726th
Evil Numbers (Long)
713th778th2,068th1,600th1,498th685th1,053rd104th567th
Farey Sequence
767th
716th
Fibonacci
6,772nd
8,188th5,296th3,748th1,088th
2,633rd2,679th
Fizz Buzz
6,829th6,166th6,606th6,492nd4,995th3,576th4,370th5,583rd4,189th
Gijswijt’s Sequence
430th425th618th491st510th342nd276th370th395th
Happy Numbers
2,055th
2,767th2,366th1,735th1,676th
1,295th
Happy Numbers (Long)
1,146th1,040th1,417th1,196th1,185th974th731st981st382nd
Leap Years
2,266th2,139th3,727th1,022nd1,053rd1,843rd743rd1,277th733rd
Niven Numbers
2,074th1,971st2,998th1,995th2,212th1,740th526th1,585th547th
Niven Numbers (Long)
1,612th1,562nd1,842nd1,771st1,722nd1,127th564th1,468th557th
Odious Numbers
749th756th3,228th2,237th
736th315th41st612th
Odious Numbers (Long)
538th551st1,858th1,483rd1,346th549th724th39th526th
Pascal’s Triangle
1,984th1,942nd1,944th1,487th1,607th642nd897th1,728th1,293rd
Pernicious Numbers
2,149th
1,237th499th967th839th
Pernicious Numbers (Long)
695th591st997th995th1,046th967th316th455th810th
Prime Numbers
3,409th3,171st4,715th3,595th2,548th3,362nd1,472nd2,572nd1,739th
Prime Numbers (Long)
1,685th1,271st2,186th1,323rd1,671st1,104th708th1,143rd1,130th
Sierpiński Triangle
351st589th574th343rd376th620th269th499th401st