20 Nov
2014
20 Nov
'14
5:43 p.m.
The number 6 has divisors (1, 2, 3, 6). Thus it has a run of 3 contiguous divisors (1, 2, 3). What is the smallest number N with - A run of at least 5 divisors? - A run of exactly 5 divisors? - A maximum run of exactly 5 divisors?