[GPSCC-chat] Numbers Trivia

[Spencer Graves]

Excellent, Tian:  Of course 1900 is also '00, and it works for that.  It 
won't work if your were born in 1800, but if you were born in 1800 and 
are still alive, you've concealed it very well.  sg


On 3/31/2011 8:31 PM, Tian Harter wrote:
> Ummm... If you were born in '00 and you add your age this year you get 
> 11, not 111. You need to have been born before '00 for the math below
> to add up.
>
> Spencer Graves wrote:
>> <in line>
>>
>>
>> On 3/31/2011 7:50 PM, Jim Stauffer wrote:
>>> This year we're going to experience four unusual dates. 1/1/11, 
>>> 1/11/11, 11/1/11, 11/11/11 and that's not all...
>>> Take the last two digits of the year in which you were born -now add 
>>> the age you will be this year, and the result will be 111 for 
>>> everyone...!!
>>> This year October will have 5 Sundays, 5 Mondays and 5 Saturdays.
>>
>>
>> 111 is NOT a prime number (i.e., is not divisible by any integers 
>> other than 1 and itself).  This is easily seen, because the sum of 
>> the digits 1+1+1 = 3.  This means it is divisible by 3.  Indeed, 111 
>> = 3*37.  This is less interesting than Jim's observations, but 
>> answers a question that Jim's observations brought to my mind.
>>
>