tag:blogger.com,1999:blog-1050326564532544980.post2899991419201274635..comments2024-03-22T20:09:53.724-04:00Comments on NumberADay: 70Mathematical Association of Americahttp://www.blogger.com/profile/10559021045290192742noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1050326564532544980.post-501131578777462762012-08-17T01:14:21.071-04:002012-08-17T01:14:21.071-04:00The sum of the proper factors of 70is more than 70...The sum of the proper factors of 70is more than 70, yet there is not a subset of the proper factors that adds up to 70. This is a "Weird number". 70 is the smallest weird number. Amy W.https://www.blogger.com/profile/13567669440156307488noreply@blogger.com