2^86 is largest known pwr of 2 that does not contain 0.What about other digits?Does each non-zero digit occur inf often among the pwrs of 2? — James Tanton (@jamestanton) March 6, 2013 Interesting. The Intro to Programming Students gave … Continue reading
Tag Archives: calculate this
Number theory nugget: 357686312646216567629137 is a prime number which remains prime after removing any number of digits from the left side! — Maths World UK (@MathsWorldUK) March 4, 2013 Otherwise known as left-truncating primes with every suffix prime and no … Continue reading
Are Double Stuf Oreos really double stuffed? Some disagreement here: Chris Danielson in part 1 2 and 3 versus Chris Lusto in part 1 and 2. Enter in the Mega Stuf Oreo. Is the Mega Stuf double stuffed, triple stuffed, more???? And who was correct, Chris or … Continue reading
How far away is the meteor from this security camera when it explodes?
Our baby is teething and while I was at the pharmacy, I saw a homeopathic remedy for teething babies with the following ingredients: Belladonna, aka Deadly Nightshade, has what percentage of alkaloids? 0.0000000000003% or 3 x 10^-13% Or if we … Continue reading
From paritynews: American Airlines has announced that it has received the permission from FAA to allow its pilots to carry and use iPads in the cockpit during “all phases of flight.” According to the airlines, the tablet will enable pilots … Continue reading
Thank you for the link reddit.
Some more information can be found here (look in the description of the video). A second spoiler video can be found here.
Pat Farmer, an endurance runner, set out to run from the North Pole to the South Pole to raise money for the Red Cross. Utterly awesome. So if he sets off on April 2nd, 2011 and he runs 16 miles … Continue reading
Neat video: Note: All photos were printed on recycled paper. Wasn’t that nice of them. So how many photos? Answer found here.