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900, 810, 801, 720, 711, 702, 630, 621, 612, 603, 540, 531, 522, 513, 504, 450, 441, 432, 423, 414, 405, 360, 351, 342, 333, 324, 315, 306, 270, 261, 252, 243, 234, 225, 216, 207, 180, 171, 162, 153, 144, 135, 126, 117 and 108.
NOTE : These numbers have digits whose sum is 9. An interesting mathematical fact is that they are also all divisible by 9.
This applies to any number. If the sum of the digits = 9 or a multiple of 9 then the number is divisible by 9.
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What is the four digit number whose digits are reversed when multiplied by nine?
Find a four digit number whose digits will be reversed when multiplied by nine?
What is the greatest three digit number whose digits have a sum of twelve?
Nine hundred thirty (930) is the highest three digit number whose digits have a sum of 12. 9+3+0=12. Any numbers higher than that will give you an sum greater than 12.
A three digit number whose digits add up to 900?
Three digits can't possibly add up to 900. The largest possible sum of 3 digits is (9 + 9 + 9) = 27.
What is the smallest 4 digit number whose digits add up to 18?
22
What is the units digit of the least whole number greater than 1000 whose digits are all different?
What is the units digit of the least whole number greater than 1000 whose digits are all different?
What are the largest three digit prime number whose digits are all primes?
The largest three digit prime number whose digits are all primes is 773.
What three digit number whose digits are all odd and different has a sum of the three digits that is palindromic?
137?
What is the largest three digit number whose digits add to 20?
992
What is the gratest three digit number whose digits have a sum of 13?
940
Largest three digit prime number whose digits are all primes?
How about: 773
Which the largest 3 digit prime number whose digits all primes?
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
What is a four digit number with ascending digits whose first two numbers have a difference of two the third digit is even and the sum of the first three digits equal the last digit?
1348.
What three digit number with factors 150 and 9 has digits whose sum is 9?
450 or 900
What is the four digit number whose digits are reversed when multiplied by nine?
Find a four digit number whose digits will be reversed when multiplied by nine?
What is the greatest three digit number whose digits have a sum of twelve?
Nine hundred thirty (930) is the highest three digit number whose digits have a sum of 12. 9+3+0=12. Any numbers higher than that will give you an sum greater than 12.
What is a 2-digit number the sum of whose digits is 1?
1
A three digit number whose digits add up to 900?
Three digits can't possibly add up to 900. The largest possible sum of 3 digits is (9 + 9 + 9) = 27.
