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palindrome number
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$begingroup$
How to find the $n$-th term of the series.
1
11
101
1001
10001
100001
1000001
palindrome
asked 2 days ago
sroxsrox
1
$endgroup$
add a comment |
$begingroup$
How to find the $n$-th term of the series.
1
11
101
1001
10001
100001
1000001
palindrome
asked 2 days ago
sroxsrox
1
$endgroup$
3
$begingroup$
$10001$ is a palindrome as well
$endgroup$
– Peter
2 days ago
add a comment |
$begingroup$
How to find the $n$-th term of the series.
1
11
101
1001
10001
100001
1000001
palindrome
asked 2 days ago
sroxsrox
1
$endgroup$
How to find the $n$-th term of the series.
1
11
101
1001
10001
100001
1000001
palindrome
palindrome
asked 2 days ago
sroxsrox
1
asked 2 days ago
sroxsrox
1
edited 2 days ago
srox
asked 2 days ago
sroxsrox
1
asked 2 days ago
sroxsrox
1
asked 2 days ago
sroxsrox
1
1
3
$begingroup$
$10001$ is a palindrome as well
$endgroup$
– Peter
2 days ago
add a comment |
3
$begingroup$
$10001$ is a palindrome as well
$endgroup$
– Peter
2 days ago
3
3
$begingroup$
$10001$ is a palindrome as well
$endgroup$
– Peter
2 days ago
$begingroup$
$10001$ is a palindrome as well
$endgroup$
– Peter
2 days ago
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
The smallest $n$-digit palindrome is $$10^{n-1}+1: n>1$$
edited 2 days ago
postmortes
2,10031222
answered 2 days ago
PeterPeter
48.6k1139135
$endgroup$
3
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
|
show 1 more comment
Your Answer
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
The smallest $n$-digit palindrome is $$10^{n-1}+1: n>1$$
edited 2 days ago
postmortes
2,10031222
answered 2 days ago
PeterPeter
48.6k1139135
$endgroup$
3
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
|
show 1 more comment
$begingroup$
The smallest $n$-digit palindrome is $$10^{n-1}+1: n>1$$
edited 2 days ago
postmortes
2,10031222
answered 2 days ago
PeterPeter
48.6k1139135
$endgroup$
3
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
|
show 1 more comment
$begingroup$
The smallest $n$-digit palindrome is $$10^{n-1}+1: n>1$$
edited 2 days ago
postmortes
2,10031222
answered 2 days ago
PeterPeter
48.6k1139135
$endgroup$
The smallest $n$-digit palindrome is $$10^{n-1}+1: n>1$$
edited 2 days ago
postmortes
2,10031222
answered 2 days ago
PeterPeter
48.6k1139135
edited 2 days ago
postmortes
2,10031222
edited 2 days ago
postmortes
2,10031222
edited 2 days ago
postmortes
2,10031222
2,10031222
answered 2 days ago
PeterPeter
48.6k1139135
answered 2 days ago
PeterPeter
48.6k1139135
answered 2 days ago
PeterPeter
48.6k1139135
48.6k1139135
3
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
|
show 1 more comment
3
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
3
3
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
except when n=1 of course!
$endgroup$
– DCarter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
@DCarter Yes, then it is $1$ (or $0$) and not $2$
$endgroup$
– Peter
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
I am not able to upvote.Pease help.
$endgroup$
– srox
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
Also not true when n=0 for those who like the initial term to be $P_0$. I've edited the answer to make it technically correct.
$endgroup$
– Martin Hansen
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
$begingroup$
@MartinHansen A $0$-digit number makes no sense to my opinion. But the restriction to $n>1$ is a useful edit.
$endgroup$
– Peter
2 days ago
|
show 1 more comment
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3
$begingroup$
$10001$ is a palindrome as well
$endgroup$
– Peter
2 days ago