精选优质文档-倾情为你奉上AMC中的数论问题1:Remember the prime between 1 to 100:2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 7173 79 83 89 91 2:Perfect number:Let P is the prime number.if is also the prime number. then is the perfect number. For example:6,28,496. 3: Let is three digital integer .if Then the number is called Daffodils number. There are only four numbers: 153 370 371 407 Let is four digital integer .if Then the number is called Roses number. The