let\'s translate to decimal like this:
1∙54+0∙53+2∙52+1∙51+0∙50 = 1∙625+0∙125+2∙25+1∙5+0∙1 = 625+0+50+5+0 = 68010
got It: 102105 =68010
Translate the number 68010 в 25 - false like this:
the Integer part of the number is divided by the base of the new number system:
| 680 | 25 | | |
| -675 | 27 | 25 | |
| 5 | -25 | 1 | |
| 2 | | |
 |
the result of the conversion was:
68010 = 12525
the Final answer: 102105 = 12525