Let s be the sum of the digits of a number n e N written in base 10. Show that n and s are congrent modulo 9

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- Mar 17th 2009, 10:12 PMjzelltMore congruences
Let s be the sum of the digits of a number n e N written in base 10. Show that n and s are congrent modulo 9

- Mar 17th 2009, 10:26 PMo_O
I'm assuming that you're referring to the sum of the digits.

Here: congruence - Mar 17th 2009, 10:40 PMjzellt
yes...sorry about that