ERIKA

Lucky number 60 1X60 2X30 3X20   4X15 5X12 6X10  60,120,180,240,300,360,420,480,540,600  60 ^  2 30  ^  15 2  ^  3 5  ** Sixty ** is a [|composite number]  with divisors  [|1] ,  [|2]  ,  [|3]  ,  [|4]  ,  [|5]  ,  [|6]  ,  [|10]  ,  [|12]  ,  [|15]  ,  [|20]  ,  [|30]  , 60 making it also a  [|highly composite number]. Because 60 is the sum of its unitary divisors (excluding itself), it is a [|unitary perfect number]. Being ten times a perfect number, 60 is a [|semiperfect number]. 60 is the smallest number divisible by the numbers 1 to 6. (There is no smaller number divisible by the numbers 1 to 5). 60 is the smallest number with exactly 12 divisors. This number is the sum of a pair of [|twin primes]  (29 + 31), as well as the sum of four consecutive  [|primes]  (11 + 13 + 17 + 19). It is adjacent to two prime numbers (59,61).  In [|geometry] , 60 is the number of  [|seconds]  in a  [|minute]  , and the number of minutes in a  [|degree]. In normal space, the 3 interior angles of an [|equilateral triangle]  each measure 60  [|degrees] , adding up to 180 degrees.