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Re: numerical challenge, part 2
Posted:
Nov 2, 2012 6:13 PM


Ben Bacarisse <ben.usenet@bsb.me.uk> writes: > I know this is now an old post but a recent reply made me look again... > > Phil Carmody <thefatphil_demunged@yahoo.co.uk> writes: > > eric.jacobsen@ieee.org (Eric Jacobsen) writes: > >> On Tue, 30 Oct 2012 19:50:19 0700, William Elliot <marsh@panix.com> > >> wrote: > >> > >> >On Tue, 30 Oct 2012, RichD wrote: > >> > > >> >> What is the sum of the digits of 3 ^ 1000? > >> > > >> >The sum of the base 3 digits of 3^1000 is 1. > > > > True. > > > >> >The sum of the base 9 digits of 3^1000 is 1. > >> > >> That's clever. If I were interviewing, asked this question, and got > >> this answer I'd be favorably impressed. > > > > Nope, it's 3. > > > > 3^1=3 > > 3^2=10 > > 3^3=30 > > 3^4=100 > > 3^5=3000 > > 3^6=10000 > > 3^7=30000 > > 3^8=100000 > > 3^10=300000 > > It looks like you've added a 0 from 3^5 upwards.
Good catch. I was getting a bit bored by that stage, as you can imagine.
Phil  Regarding TSA regulations: How are four small bottles of liquid different from one large bottle? Because four bottles can hold the components of a binary liquid explosive, whereas one big bottle can't.  camperdave responding to MacAndrew on /.



