Abundant Numbers
2,887th2,933rd3,477th2,630th2,328th2,598th1,549th2,644th1,908th
Abundant Numbers (Long)
1,791st1,726th2,003rd1,469th1,671st1,289th939th1,482nd1,119th
Collatz
2,333rd2,287th2,818th2,136th2,367th1,575th886th1,040th1,028th
Diamonds
525th1,136th
195th564th411th1,079th
Divisors
3,899th4,410th4,202nd3,294th3,184th2,135th1,775th3,851st3,445th
Evil Numbers
945th905th3,910th2,284th840th888th452nd43rd752nd
Evil Numbers (Long)
726th794th2,103rd1,632nd1,536th700th1,070th106th581st
Farey Sequence
789th
733rd
Fibonacci
6,847th
8,272nd5,346th3,803rd1,106th
2,670th2,716th
Fizz Buzz
6,879th6,209th6,652nd6,539th5,035th3,608th4,408th5,623rd4,222nd
Gijswijt’s Sequence
427th423rd625th493rd515th341st274th369th394th
Happy Numbers
2,076th
2,786th2,383rd1,757th1,701st
1,308th
Happy Numbers (Long)
1,159th1,054th1,428th1,209th1,198th989th740th997th385th
Leap Years
2,314th2,184th3,772nd1,029th1,085th1,889th771st1,321st761st
Niven Numbers
2,127th2,016th3,060th2,037th2,265th1,778th531st1,627th552nd
Niven Numbers (Long)
1,651st1,600th1,883rd1,809th1,760th1,150th573rd1,505th550th
Odious Numbers
763rd776th3,289th2,292nd
755th316th41st630th
Odious Numbers (Long)
545th569th1,895th1,516th1,380th571st744th39th538th
Pascal’s Triangle
2,029th1,990th1,992nd1,517th1,644th654th917th1,767th1,307th
Pernicious Numbers
2,214th
1,266th502nd984th834th
Pernicious Numbers (Long)
713th607th1,030th1,027th1,076th995th324th465th827th
Prime Numbers
3,465th3,224th4,783rd3,646th2,599th3,420th1,500th2,620th1,793rd
Prime Numbers (Long)
1,728th1,303rd2,239th1,357th1,722nd1,137th720th1,176th1,164th
Sierpiński Triangle
354th594th579th346th380th625th271st503rd405th