Abundant Numbers
15th
50thAbundant Numbers (Long)
9th
30thCollatz
10th
132ndDivisors
12th
170thEmirp Numbers
9th
107thEmirp Numbers (Long)
Evil Numbers
16th
124thEvil Numbers (Long)
14th
55thFibonacci
35th
401stFizz Buzz
15th
959thFoo Fizz Buzz Bar
13th
Happy Numbers
14th
114thHappy Numbers (Long)
12th
60thLeap Years
15th
128thNiven Numbers
14th
1stNiven Numbers (Long)
13th
15thOdious Numbers
16th
112thOdious Numbers (Long)
14th
49thPernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
14th
253rdPrime Numbers (Long)
17th
113th