Converting an integer to a given base

[pascal]

Hi,

How to perform base conversion with Sage ? Remember that Python has limited capability to convert to an arbitrary base. For instance, Python, by default, doesn't allow to convert to base 6. According to 

https://groups.google.com/forum/?hl=fr&fromgroups=#!newtopic/sage-support/sage-support/82CzhLK1NnE

Sage can perform conversion to (say) base 6 :

sage: 2013.str(6)

'13153'

sage: int(_, 6)  

2013

sage:

but str conversion is limited  to base b <= 36.

[Simon King]

Hi Pascal,

On 2013-03-16, pascal <pascal...@gmail.com> wrote:
> How to perform base conversion with Sage ? Remember that Python has limited
> capability to convert to an arbitrary base. For instance, Python, by
> default, doesn't allow to convert to base 6. According to
>
> https://groups.google.com/forum/?hl=fr&fromgroups=#!newtopic/sage-support/sage-support/82CzhLK1NnE
>
> Sage can perform conversion to (say) base 6 :
>
>
> sage: 2013.str(6)
> '13153'
> sage: int(_, 6)
> 2013

Does the "digits()" method do what you want?

sage: a=23412341234
sage: a.digits(5)
[4, 1, 4, 4, 0, 4, 4, 2, 0, 2, 2, 4, 0, 4, 3]

Do
sage: a.digits?
to read the documentation.

Best regards,
Simon

[pascal]

Le samedi 16 mars 2013 22:56:28 UTC+1, Simon King a écrit :

Does the "digits()" method do what you want?

Yes, exactly  what I was looking for, many thanks!!

[Kannappan Sampath]

Hello! 

There is a ticket on trac: http://trac.sagemath.org/sage_trac/ticket/10253 which is meant to write this up in the documentation. 

I thought it would be worth mentioning just in case anybody wants to write this up. (I will get to this eventually, if nobody takes this up now. ;-) )

Regards, 

~KnS 

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