The sum of digits of Mersenne primes Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern) Announcing the arrival of Valued Associate #679: Cesar Manara Unicorn Meta Zoo #1: Why another podcast?Error 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
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)
Announcing the arrival of Valued Associate #679: Cesar Manara
Unicorn Meta Zoo #1: Why another podcast?Error 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 Apr 11 at 8:50
user64494
3,60411122
asked Apr 11 at 5:07
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.
$endgroup$
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 Apr 11 at 8:50
user64494
3,60411122
asked Apr 11 at 5:07
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
Apr 11 at 5:15
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
Apr 11 at 5:16
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
Apr 11 at 8:04
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 Apr 11 at 8:50
user64494
3,60411122
asked Apr 11 at 5:07
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 Apr 11 at 8:50
user64494
3,60411122
asked Apr 11 at 5:07
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 Apr 11 at 8:50
user64494
3,60411122
asked Apr 11 at 5:07
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 Apr 11 at 8:50
user64494
3,60411122
edited Apr 11 at 8:50
user64494
3,60411122
edited Apr 11 at 8:50
user64494
3,60411122
3,60411122
asked Apr 11 at 5:07
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 Apr 11 at 5:07
Barry PBarry P
132
asked Apr 11 at 5:07
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
Apr 11 at 5:15
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
Apr 11 at 5:16
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
Apr 11 at 8:04
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
Apr 11 at 5:15
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
Apr 11 at 5:16
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
Apr 11 at 8:04
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
Apr 11 at 5:15
$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
Apr 11 at 5:15
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
Apr 11 at 5:16
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
Apr 11 at 5:16
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
Apr 11 at 8:04
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
Apr 11 at 8:04
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 Apr 11 at 5:43
J42161217J42161217
4,513324
$endgroup$
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 Apr 11 at 5:43
J42161217J42161217
4,513324
$endgroup$
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 Apr 11 at 5:43
J42161217J42161217
4,513324
$endgroup$
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 Apr 11 at 5:43
J42161217J42161217
4,513324
$endgroup$
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 Apr 11 at 5:43
J42161217J42161217
4,513324
edited Apr 11 at 6:03
answered Apr 11 at 5:43
J42161217J42161217
4,513324
answered Apr 11 at 5:43
J42161217J42161217
4,513324
answered Apr 11 at 5:43
J42161217J42161217
4,513324
4,513324
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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$begingroup$
I want to test the selfness of these mersenne primes, and therefore we need the sum of digits of these primes
$endgroup$
– Barry P
Apr 11 at 5:15
$begingroup$
$M_82589933$ is a self number.
$endgroup$
– Barry P
Apr 11 at 5:16
$begingroup$
Related: (59223)
$endgroup$
– Mr.Wizard♦
Apr 11 at 8:04