Abundant Numbers
14th
50thAbundant Numbers (Long)
9th
30thCollatz
10th
132ndDivisors
12th
170thEmirp Numbers
9th
104thEmirp Numbers (Long)
49thEvil Numbers
16th
124thEvil Numbers (Long)
14th
55thFibonacci
35th
401stFizz Buzz
15th
959thFoo Fizz Buzz Bar
13th
Happy Numbers
14th
113thHappy Numbers (Long)
12th
60thLeap Years
15th
128thNiven Numbers
14th
1stNiven Numbers (Long)
13th
15thOdious Numbers
16th
112thOdious Numbers (Long)
14th
49thPernicious Numbers
95thPernicious Numbers (Long)
53rdPrime Numbers
14th
253rdPrime Numbers (Long)
17th
113th