The sum of digits of Mersenne primes The 2019 Stack Overflow Developer Survey Results Are In Unicorn Meta Zoo #1: Why another podcast? Announcing the arrival of Valued Associate #679: Cesar ManaraError computing sum of sum of digitsDouble series over primesError computing sum of sum of digitsSum the coefficient of a seriesFinding large primesMemory limit hit: optimize code for finding twin primesHow to plot the number of Mersenne Primes lower than a given input?How to generate primes of the form 8n+1?Sum indexed by PrimesNumber of primes between two integers x and y (with x < y and excluding x and y)Evaluation of Extract and use the result in a Sum
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The sum of digits of Mersenne primes
The 2019 Stack Overflow Developer Survey Results Are In
Unicorn Meta Zoo #1: Why another podcast?
Announcing the arrival of Valued Associate #679: Cesar ManaraError computing sum of sum of digitsDouble series over primesError computing sum of sum of digitsSum the coefficient of a seriesFinding large primesMemory limit hit: optimize code for finding twin primesHow to plot the number of Mersenne Primes lower than a given input?How to generate primes of the form 8n+1?Sum indexed by PrimesNumber of primes between two integers x and y (with x < y and excluding x and y)Evaluation of Extract and use the result in a Sum
$begingroup$
I have problem to calculate the sum of digits of the mersenne primes $M_57885161$ , $M_74207281$ , and $M_77232917$. I'm not a 'computer guy', but I know that the sum of digits of $M_82589933$ is $111879913$. Could you help me ? Thanks.
summation prime-numbers
edited yesterday
user64494
3,60711122
asked yesterday
Barry PBarry P
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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$endgroup$
add a comment |
$begingroup$
I have problem to calculate the sum of digits of the mersenne primes $M_57885161$ , $M_74207281$ , and $M_77232917$. I'm not a 'computer guy', but I know that the sum of digits of $M_82589933$ is $111879913$. Could you help me ? Thanks.
summation prime-numbers
edited yesterday
user64494
3,60711122
asked yesterday
Barry PBarry P
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
yesterday
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
yesterday
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
yesterday
add a comment |
$begingroup$
I have problem to calculate the sum of digits of the mersenne primes $M_57885161$ , $M_74207281$ , and $M_77232917$. I'm not a 'computer guy', but I know that the sum of digits of $M_82589933$ is $111879913$. Could you help me ? Thanks.
summation prime-numbers
edited yesterday
user64494
3,60711122
asked yesterday
Barry PBarry P
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
I have problem to calculate the sum of digits of the mersenne primes $M_57885161$ , $M_74207281$ , and $M_77232917$. I'm not a 'computer guy', but I know that the sum of digits of $M_82589933$ is $111879913$. Could you help me ? Thanks.
summation prime-numbers
summation prime-numbers
edited yesterday
user64494
3,60711122
asked yesterday
Barry PBarry P
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
user64494
3,60711122
asked yesterday
Barry PBarry P
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited yesterday
user64494
3,60711122
edited yesterday
user64494
3,60711122
edited yesterday
user64494
3,60711122
3,60711122
asked yesterday
Barry PBarry P
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked yesterday
Barry PBarry P
132
asked yesterday
Barry PBarry P
132
132
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Barry P is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
yesterday
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
yesterday
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
yesterday
add a comment |
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
yesterday
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
yesterday
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
yesterday
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
yesterday
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
yesterday
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
yesterday
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
yesterday
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
yesterday
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
yesterday
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
try this
Total@IntegerDigits[2^57885161 - 1]
78434761
Total@IntegerDigits[2^74207281 - 1]
100537543
Total@IntegerDigits[2^77232917 - 1]
104621260
or use this function
M[x_]:=Total@IntegerDigits[2^x-1]
M[82589933]
111879913
answered yesterday
J42161217J42161217
4,468324
$endgroup$
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
try this
Total@IntegerDigits[2^57885161 - 1]
78434761
Total@IntegerDigits[2^74207281 - 1]
100537543
Total@IntegerDigits[2^77232917 - 1]
104621260
or use this function
M[x_]:=Total@IntegerDigits[2^x-1]
M[82589933]
111879913
answered yesterday
J42161217J42161217
4,468324
$endgroup$
add a comment |
$begingroup$
try this
Total@IntegerDigits[2^57885161 - 1]
78434761
Total@IntegerDigits[2^74207281 - 1]
100537543
Total@IntegerDigits[2^77232917 - 1]
104621260
or use this function
M[x_]:=Total@IntegerDigits[2^x-1]
M[82589933]
111879913
answered yesterday
J42161217J42161217
4,468324
$endgroup$
add a comment |
$begingroup$
try this
Total@IntegerDigits[2^57885161 - 1]
78434761
Total@IntegerDigits[2^74207281 - 1]
100537543
Total@IntegerDigits[2^77232917 - 1]
104621260
or use this function
M[x_]:=Total@IntegerDigits[2^x-1]
M[82589933]
111879913
answered yesterday
J42161217J42161217
4,468324
$endgroup$
try this
Total@IntegerDigits[2^57885161 - 1]
78434761
Total@IntegerDigits[2^74207281 - 1]
100537543
Total@IntegerDigits[2^77232917 - 1]
104621260
or use this function
M[x_]:=Total@IntegerDigits[2^x-1]
M[82589933]
111879913
answered yesterday
J42161217J42161217
4,468324
edited yesterday
answered yesterday
J42161217J42161217
4,468324
answered yesterday
J42161217J42161217
4,468324
answered yesterday
J42161217J42161217
4,468324
4,468324
add a comment |
add a comment |
Barry P is a new contributor. Be nice, and check out our Code of Conduct.
Barry P is a new contributor. Be nice, and check out our Code of Conduct.
Barry P is a new contributor. Be nice, and check out our Code of Conduct.
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-prime-numbers, summation
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
yesterday
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
yesterday
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
yesterday