Whats a p7?

MattcAnderson · 2021-03-04, 02:48

it is a seven digit prime number

for example 4002499

another is 828611

Cheers

Matt

Uncwilly · 2021-03-04, 03:11

Context makes a difference:
Automotive: https://www.thedrive.com/new-cars/36...n-new-york-ipo
Airplane: https://en.wikipedia.org/wiki/Lockheed_P-7
CPUs: https://en.wikipedia.org/wiki/List_o...res#:~:text=P7

CRGreathouse · 2021-03-04, 03:14

Quote:

Originally Posted by MattcAnderson

it is a seven digit prime number

for example 4002499

another is 828611

There are $\pi(10^7) - \pi(10^6) = 586,081$ in total.

retina · 2021-03-04, 03:21

P7: proper prior planning prevents piss poor performance

Thanks go to WP for that one. And unsurprisingly it doesn't list the subject of this thread.

Batalov · 2021-03-04, 06:58

Quote:

Originally Posted by MattcAnderson

another is 828611

Ah, found your problem. Counting is hard!

MattcAnderson · 2021-03-04, 06:59

Hi all,

Thank you specifically for the last 3 replies. They really put a smile on my face.

Cheers
Matt

retina · 2021-03-04, 09:45

A small and easy little quiz for MattcAnderson.

Is there always a prime Pn for every n>0?

R. Gerbicz · 2021-03-04, 18:03

Quote:

Originally Posted by MattcAnderson

it is a seven digit prime number
for example 4002499
another is 828611

Destroyed?

Code:

rate=0.1;year=21;(1+rate)^year
rate=0.03;year=3;(1-(1+rate)^(-year))/rate

answer:
%1 = 7.4002499442581601012110000000000000000
%2 = 2.8286113548946809221333416306177114687

look the fractional part(!)

(for the 2nd formula we also have a financial tale)

Big coincidence?

ZFR · 2021-03-05, 22:13

Quote:

Originally Posted by Batalov

Ah, found your problem. Counting is hard!

There are 3 types of people: those who can count and those who can't.

Uncwilly · 2021-03-05, 22:27

Quote:

Originally Posted by ZFR

There are 3 types of people: those who can count and those who can't.

There are 10 types of people:
Those that can infer from incomplete data,

kriesel · 2021-03-05, 23:33

Quote:

Originally Posted by MattcAnderson

it is a seven digit prime number
...
another is 828611

828611 = 7 × 118373 = 7 x p6 = c6
2828611 and 3828611 are p7's.

2021-03-04, 02:48	#1
MattcAnderson "Matthew Anderson" Dec 2010 Oregon, USA 44D₁₆ Posts	Whats a p7? it is a seven digit prime number for example 4002499 another is 828611 Cheers Matt

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2021-03-04, 03:11	#2
Uncwilly 6809 > 6502 """"""""""""""""""" Aug 2003 101×103 Posts 2²·3·877 Posts	Context makes a difference: Automotive: https://www.thedrive.com/new-cars/36...n-new-york-ipo Airplane: https://en.wikipedia.org/wiki/Lockheed_P-7 CPUs: https://en.wikipedia.org/wiki/List_o...res#:~:text=P7

2021-03-04, 03:21	#4
retina Undefined "The unspeakable one" Jun 2006 My evil lair 1935₁₆ Posts	P7: proper prior planning prevents piss poor performance Thanks go to WP for that one. And unsurprisingly it doesn't list the subject of this thread.

2021-03-04, 06:59	#6
MattcAnderson "Matthew Anderson" Dec 2010 Oregon, USA 1101₁₀ Posts	Hi all, Thank you specifically for the last 3 replies. They really put a smile on my face. Cheers Matt

2021-03-04, 09:45	#7
retina Undefined "The unspeakable one" Jun 2006 My evil lair 3³·239 Posts	A small and easy little quiz for MattcAnderson. Is there always a prime Pn for every n>0?