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 Showing results 1 to 25 of 1000 Search took 0.39 seconds. Search: Posts Made By: Dr Sardonicus
 Forum: Lounge 2022-05-23, 12:34 Replies: 38 Views: 2,999 Posted By Dr Sardonicus Cosmos caudatus? Never heard of it. Hmm. I may have had one - and purely by chance - last year. I had Diablo, Bright Lights, Picotee and Sensation Cosmos. But there was this...
 Forum: Lounge 2022-05-22, 13:51 Replies: 38 Views: 2,999 Posted By Dr Sardonicus After mainly cloudy, dreary, chilly weather more... After mainly cloudy, dreary, chilly weather more like late Winter than early to mid-Spring lasting through the first week of May, we went straight to Summer - temperatures in the upper 80's to over...
 Forum: sweety439 2022-05-22, 02:57 Replies: 417 Views: 33,544 Posted By Dr Sardonicus Assuming that n = X1X1 is a positive integer... Assuming that n = X1X1 is a positive integer congruent to 1 (mod 12), then 12^{\varphi(n)}\;-\;1 is a base twelve palindromic number divisible by n. It may not be the smallest such. Nil...
 Forum: Lounge 2022-05-21, 16:40 Replies: 1,178 Views: 116,201 Posted By Dr Sardonicus Return trip? I'm more worried about something... Return trip? I'm more worried about something like the following:The Starliner craft has crashed into ISS. The station and Starliner have been destroyed. All crew lost. The whole point of...
 Forum: Miscellaneous Math 2022-05-21, 13:58 Replies: 8 Views: 469 Posted By Dr Sardonicus No. The number of k-digit blocks of decimal... No. The number of k-digit blocks of decimal digits is 10^k. The number of k-digit endings of 2^n, n ≥ k, is 4*5^(k-1). (4*5^(k-1))/10^k is a tiny, tiny fraction if k is at all large. For k = 40,...
 Forum: Lounge 2022-05-21, 03:02 Replies: 1,178 Views: 116,201 Posted By Dr Sardonicus Boeing's contract for this project [Starliner] is... Boeing's contract for this project [Starliner] is fixed-price. The company has lost hundreds of millions of dollars due to the delays in meeting objectives. Even so, I haven't heard of any Boeing...
 2022-05-20, 00:54 Replies: 14 Views: 894 Posted By Dr Sardonicus Drop the exclusion of primes. Say... Drop the exclusion of primes. Say "representations" rather than "compositions". The meaning of "different" may be different from what you think it is.Happy googling!
 Forum: Lounge 2022-05-20, 00:43 Replies: 1,178 Views: 116,201 Posted By Dr Sardonicus Boeing's Starliner capsule successfully launched... Boeing's Starliner capsule successfully launched at 6:54 EDT (2254 GMT) May 19. Starliner is scheduled to dock with the ISS around 7 p.m. EDT (2300 GMT) on Friday, May 20.
 Forum: Soap Box 2022-05-19, 00:54 Replies: 107 Views: 12,631 Posted By Dr Sardonicus "A marketing term." That's the problem right... "A marketing term." That's the problem right there. Bill Hicks had the right idea about advertising and marketing...
 Forum: Lounge 2022-05-18, 13:26 Replies: 1,691 Views: 193,298 Posted By Dr Sardonicus The BBC has an article on excess deaths, etc.... The BBC has an article on excess deaths, etc. since COVID showed up here (https://www.bbc.com/news/61333847).
 Forum: Soap Box 2022-05-18, 12:02 Replies: 905 Views: 85,885 Posted By Dr Sardonicus That lends itself to 2 different ways to win a... That lends itself to 2 different ways to win a Darwin Award.[/QUOTE]Heck of a way to top off a dinner party...
 Forum: Lounge 2022-05-18, 11:25 Replies: 1,691 Views: 193,298 Posted By Dr Sardonicus The Great Successor convened an emergency meeting... The Great Successor convened an emergency meeting of the Politburo. He screamed at them all for bungling the situation, and ordered them to do better. But they were unable to comply, because they...
 Forum: Miscellaneous Math 2022-05-18, 02:31 Replies: 8 Views: 469 Posted By Dr Sardonicus It occurred to me to wonder whether there is a k... It occurred to me to wonder whether there is a k for which all k-digit endings of 2^n (with k > 9 and 2^n > 10^(k-1) of course) contain all 10 decimal digits. I suspect there is, but don't have a...
 Forum: Lounge 2022-05-17, 14:26 Replies: 1,691 Views: 193,298 Posted By Dr Sardonicus COVID has killed a million people here in the... COVID has killed a million people here in the good ol' USA (official cause of death as listed on death certificates). How many may have died of other things, with COVID as a contributing factor,...
 Forum: Soap Box 2022-05-17, 13:12 Replies: 905 Views: 85,885 Posted By Dr Sardonicus It wasn't a good guy with a gun who stopped the... It wasn't a good guy with a gun who stopped the shooter. It was a hero.
 Forum: Soap Box 2022-05-15, 12:46 Replies: 905 Views: 85,885 Posted By Dr Sardonicus Another racist with a manifesto. Tucker... Another racist with a manifesto. Tucker Carlson must be so happy.
 Forum: Miscellaneous Math 2022-05-14, 16:50 Replies: 557 Views: 64,794 Posted By Dr Sardonicus For PRP make that a 100% chance - at least, until... For PRP make that a 100% chance - at least, until your pet ranges are in the wavefront. I reckon that's going to be a while. If you want to do a PRP on an exponent of your choice (after first doing...
 Forum: Factoring 2022-05-14, 13:28 Replies: 17 Views: 679 Posted By Dr Sardonicus If I understand the problem correctly, you could... If I understand the problem correctly, you could (in theory) form your "permuted" integers as follows: Form a vector of length n whose i-th entry is i. Convert the entries to strings (of decimal...
 Forum: Astronomy 2022-05-13, 01:33 Replies: 92 Views: 13,118 Posted By Dr Sardonicus I noticed the following image comparison of the... I noticed the following image comparison of the Large Magellanic Cloud in recent news reports. I leave it to interested readers to track down official accounts.
 Forum: chalsall 2022-05-12, 02:05 Replies: 24 Views: 884 Posted By Dr Sardonicus To many R's in the good ol' USA, the answer to... To many R's in the good ol' USA, the answer to that last question is "Yes." Their Party. As I have said before, Soviet-style "democracy."
 Forum: chalsall 2022-05-11, 11:41 Replies: 24 Views: 884 Posted By Dr Sardonicus I have mentioned before, e.g. here... I have mentioned before, e.g. here (https://www.mersenneforum.org/showpost.php?p=568827&postcount=1414) that people have been getting brainwashed for decades. I would add Rush Limbaugh and other...
 2022-05-10, 11:59 Replies: 4 Views: 99 Posted By Dr Sardonicus If I understand correctly, your k-tuplets aren't... If I understand correctly, your k-tuplets aren't just any admissible patterns (k-tuples), but are "maximally dense."
 Forum: chalsall 2022-05-09, 12:07 Replies: 24 Views: 884 Posted By Dr Sardonicus If I were making out a death certificate for the... If I were making out a death certificate for the good ol' USA, I would put November 8, 2016 as the date of death. Manner of death, suicide. On a number of occasions since then, I have said that...
 Forum: Lounge 2022-05-09, 01:05 Replies: 1 Views: 89 Posted By Dr Sardonicus Happy Mother's Day On the first Mother's Day without her, I put a small portion of her ashes in a neighbor's garden she was fond of (with their approval). My sisters and I scattered small portions of her ashes in...
 2022-05-08, 02:26 Replies: 14 Views: 894 Posted By Dr Sardonicus A representation of a cofactor of a sum of two... A representation of a cofactor of a sum of two squares can be found by finding the representations of the known factors and dividing out. I find this easiest to do using the complex factors a +...
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