1010111
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87 = 1010111
If we are using base 8 then 127 = (7 * 80) + (2 * 81) + (1 * 82) = 7 + 16 + 64 = 87 [i.e. (7 * 100) + (8 * 101)] in the decimal (base 10) system. In binary (base 2) we would write this as:1010111.
348
Take any multiple of 87, and you get a number that is divisible by 87 - for example:87 x 0 87 x 1 87 x 2 87 x 3 ... 87 x (-1) 87 x (-2) ...
87% ------------------------------------- To convert a number to a percentage multiply it by 100 % → 87/100 = 87/100 × 100% = 87 %