Wednesday, August 5, 2015

Mathematical Trivia for Today

8/05/2015



MATHEMATICAL TRIVIA FOR TODAY:
Nine-Digit Pan-Digital Numbers (contain the digits 1 through 9 one time each, but they do not contain a zero).
The list below shows the smallest and the largest 9-digit pan-digital number that are divisible by the numbers 2 through 16.
Divisor
Smallest
Largest
2
123,456,798
987,654,312
3
123,456,789
987,654,321
4
123,457,896
987,654,312
5
123,467,895
987,643,215
6
123,456,798
987,654,312
7
123,456,879
987,654,213
8
123,457,896
987,754,312
9
123,456,789
987,654,321
10
There are none.
There are non
11
123,475,869
987,652,413
12
123,457,896
987,654,312
13
123,456,879
987,654,213
14
123,457,698
987,653,142
15
123,467,895
987,643,215
16
123,457,968
987,654,312

Source:
“Problem Solving Through Recreational Mathematics” by Bonnie Averbach and Orin Chein.



David

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