Find a number
Algebra
Level
2
Find a six digit number (base 10) that is equal to 4 times its digit reverse.
Notes
- For example, the digit reverse of 314 is 413.
The answer is 879912.
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1 solution
2178 × 4 = 8712 similarly 21978 × 4 = 87912 & 219978 × 4 = 879912