nth term of the series containing one 9 then two 9 and so onWhy are multiples of 11 palindromes?Expanding PalindromesSequences of numbers palindromic in 2 consecutive number bases?How to calculate the palindrome of a given amount of characters?The quotient of two palindromesHow to make a palindromic table where each row and column is a palindrome?How many palindromes are there in the range $0000$ to $9999$?$p$ and $6p+1$ both palindrome - primes. Is $(131/787)$ the only example?Even number not the sum of two base $2$ palindromespalindrome number
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nth term of the series containing one 9 then two 9 and so on
Why are multiples of 11 palindromes?Expanding PalindromesSequences of numbers palindromic in 2 consecutive number bases?How to calculate the palindrome of a given amount of characters?The quotient of two palindromesHow to make a palindromic table where each row and column is a palindrome?How many palindromes are there in the range $0000$ to $9999$?$p$ and $6p+1$ both palindrome - primes. Is $(131/787)$ the only example?Even number not the sum of two base $2$ palindromespalindrome number
$begingroup$
nth term of the series 9, 99, 999, 9999.
Is there any formula for it?
9
99
999
9999
.
.
.
.
palindrome
asked yesterday
sroxsrox
1
$endgroup$
add a comment |
$begingroup$
nth term of the series 9, 99, 999, 9999.
Is there any formula for it?
9
99
999
9999
.
.
.
.
palindrome
asked yesterday
sroxsrox
1
$endgroup$
$begingroup$
9...9 with n 9’s equals 10^n - 1.
$endgroup$
– Jonas De Schouwer
yesterday
add a comment |
$begingroup$
nth term of the series 9, 99, 999, 9999.
Is there any formula for it?
9
99
999
9999
.
.
.
.
palindrome
asked yesterday
sroxsrox
1
$endgroup$
nth term of the series 9, 99, 999, 9999.
Is there any formula for it?
9
99
999
9999
.
.
.
.
palindrome
palindrome
asked yesterday
sroxsrox
1
asked yesterday
sroxsrox
1
asked yesterday
sroxsrox
1
asked yesterday
sroxsrox
1
asked yesterday
sroxsrox
1
1
$begingroup$
9...9 with n 9’s equals 10^n - 1.
$endgroup$
– Jonas De Schouwer
yesterday
add a comment |
$begingroup$
9...9 with n 9’s equals 10^n - 1.
$endgroup$
– Jonas De Schouwer
yesterday
$begingroup$
9...9 with n 9’s equals 10^n - 1.
$endgroup$
– Jonas De Schouwer
yesterday
$begingroup$
9...9 with n 9’s equals 10^n - 1.
$endgroup$
– Jonas De Schouwer
yesterday
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
The general formula is
$$10^n-1$$
as each term is one less than a power of $10$.
answered yesterday
Peter ForemanPeter Foreman
3,2921216
$endgroup$
add a comment |
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1 Answer
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active
oldest
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active
oldest
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active
oldest
votes
$begingroup$
The general formula is
$$10^n-1$$
as each term is one less than a power of $10$.
answered yesterday
Peter ForemanPeter Foreman
3,2921216
$endgroup$
add a comment |
$begingroup$
The general formula is
$$10^n-1$$
as each term is one less than a power of $10$.
answered yesterday
Peter ForemanPeter Foreman
3,2921216
$endgroup$
add a comment |
$begingroup$
The general formula is
$$10^n-1$$
as each term is one less than a power of $10$.
answered yesterday
Peter ForemanPeter Foreman
3,2921216
$endgroup$
The general formula is
$$10^n-1$$
as each term is one less than a power of $10$.
answered yesterday
Peter ForemanPeter Foreman
3,2921216
answered yesterday
Peter ForemanPeter Foreman
3,2921216
answered yesterday
Peter ForemanPeter Foreman
3,2921216
answered yesterday
Peter ForemanPeter Foreman
3,2921216
3,2921216
add a comment |
add a comment |
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$begingroup$
9...9 with n 9’s equals 10^n - 1.
$endgroup$
– Jonas De Schouwer
yesterday