Trollathon #1.12 : 4 5-digit numbers and an answer?

Level pending

36863 36863

43416 43416

63999 63999

12287 12287

Hint : 10 = 2


The answer is 4096.

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1 solution

Zi Song Yeoh
Apr 2, 2014

Now, the hint 2 Computers is actually a hint to transform every number into base 2. (computers use binary numbers)

So, converting each of the numbers into binary, we get

1000111111111111 1000111111111111

1010100110011000 1010100110011000

1111100111111111 1111100111111111

0010111111111111 0010111111111111

Look at the numbers 4 digit at a time and concentrate on the 1s.

1000 1000 1111 1111 1111 1111 1111 1111

1010 1010 1001 1001 1001 1001 1000 1000

1111 1111 1001 1001 1111 1111 1111 1111

0010 0010 1111 1111 1111 1111 1111 1111

tracing them and we find that we get 4096 \boxed{4096} !!!!!!!!!!

Can you please elaborate how you got 4096?

Vinay Sipani - 7 years ago

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Look at the positions of the 1's (highlight if necessary)

Rayner Chuang - 7 years ago

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