# Eleven

### For different bases

- 11 is strictly non-palindromic, meaning it's never a palindrome in bases from binary to the base one below it (base 10).
- In binary, 11 is 1011.
- In ternary, 11 is 102.
- In quaternary, 11 is 23.
- In quinary, 11 is 21.
- In seximal, 11 is 15.
- In septimal, 11 is 14.
- In octal, 11 is 13.
- In nonary, 11 is 12.
- In decimal, 11.
- In elevenary, 11 is 10.
- In higher bases, 11 gets its own symbol, usually 'B'.
- In negabinary, 11 is 11111

and -11 is 110101.
- In negaternary, 11 is 102

and -11 is 1211.
- In negaquaternary, 11 is 123

and -11 is 31.
- In negaquinary, 11 is 131

and -11 is 34.
- In negaseximal, 11 is 155

and -11 is 21.
- In negaseptimal, 11 is 164

and -11 is 23.
- In negoctal, 11 is 173

and -11 is 25.
- In neganonary, 11 is 182

and -11 is 27.
- In negadecimal, 11 is 191

and -11 is 29.
- In negelevenary, 11 is 1X0

and -11 is 10.

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