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Search: Posts Made By: Dr Sardonicus
Forum: Soap Box 2022-05-26, 11:44
Replies: 926
Views: 86,566
Posted By Dr Sardonicus
Just an an alphabetical list of school names. No...

Just an an alphabetical list of school names. No dates, indication of numbers killed, or even (apart from whatever might be in some of the school names) locales.

Or, for that matter, any...
Forum: Soap Box 2022-05-25, 23:58
Replies: 926
Views: 86,566
Posted By Dr Sardonicus
Excellent cartoon. Drawn October 4, 2017, in...

Excellent cartoon. Drawn October 4, 2017, in reaction to the October 1, 2017 mass shooting in Las Vegas...
Forum: Soap Box 2022-05-25, 23:34
Replies: 926
Views: 86,566
Posted By Dr Sardonicus
In this recent post...

In this recent post (https://www.mersenneforum.org/showpost.php?p=605235&postcount=126) I quoted from Martin Luther King Jr.'s Letter From the Birmingham Jail. That quotation comes to mind again.
Forum: Lounge 2022-05-25, 13:50
Replies: 372
Views: 44,976
Posted By Dr Sardonicus
On Thursday, May 25, 1961, President John F....

On Thursday, May 25, 1961, President John F. Kennedy made a speech before the House of Representatives. Most of it was about the Cold War. However, there was one bit near the end that became better...
Forum: Soap Box 2022-05-25, 02:46
Replies: 926
Views: 86,566
Posted By Dr Sardonicus
Gunman at a Texas elementary school kills 19...

Gunman at a Texas elementary school kills 19 students and two adults before being fatally shot, officials say (https://www.cnn.com/2022/05/24/us/uvalde-texas-elementary-school-shooting/index.html)If...
Forum: Lone Mersenne Hunters 2022-05-25, 02:20
Replies: 2,143
Views: 314,831
Posted By Dr Sardonicus
For an odd prime p, any prime factor q of 2^p - 1...

For an odd prime p, any prime factor q of 2^p - 1 is of the form 2*k*p+1, k integer; in particular, q > p.

This leads to a ludicrous proof of compositeness and factorization:

The fact that 223...
Forum: Soap Box 2022-05-24, 02:59
Replies: 8
Views: 151
Posted By Dr Sardonicus
Ah, yes, the TARP program. It's all coming back...

Ah, yes, the TARP program. It's all coming back to me now. The Bush Admin loaned GM something over ten billion, the Obama Admin "loaned" a lot more, much of it in the form of buying GM stock. So...
Forum: Soap Box 2022-05-23, 23:25
Replies: 8
Views: 151
Posted By Dr Sardonicus
Last time I checked, bankruptcy proceedings were...

Last time I checked, bankruptcy proceedings were in the purview of the Judicial branch, not the Executive.
Forum: Soap Box 2022-05-23, 16:58
Replies: 187
Views: 42,823
Posted By Dr Sardonicus
Top Southern Baptists stonewalled and denigrated...

Top Southern Baptists stonewalled and denigrated sex abuse victims, report says (https://www.npr.org/2022/05/22/1100616952/southern-baptists-sex-abuse)
Forum: Lounge 2022-05-23, 12:34
Replies: 38
Views: 3,062
Posted By Dr Sardonicus
Cosmos caudatus? Never heard of it. <google...

Cosmos caudatus? Never heard of it. <google google>

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: 3,062
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: 33,624
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: 116,524
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: 528
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: 116,524
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...
Forum: Number Theory Discussion Group 2022-05-20, 00:54
Replies: 14
Views: 949
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: 116,524
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: 12,692
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: 194,225
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: 926
Views: 86,566
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: 194,225
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: 528
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: 194,225
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: 926
Views: 86,566
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: 926
Views: 86,566
Posted By Dr Sardonicus
Another racist with a manifesto. Tucker...

Another racist with a manifesto.

Tucker Carlson must be so happy.
Showing results 1 to 25 of 1000

 
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