The same sequence of symbols may represent different numbers in different numeral systems. For example, "11" represents the number eleven in the decimal or base-10 numeral system (today, the most common system globally), the number three in the binary or base-2 numeral system (used in modern computers), and the number two in the unary numeral system (used in tallying scores).
the same seQueNCe of SyMBoLs MAY RepresenT diffErent nuMbErS in diFferENt numeral SystemS For Example, "11" rePrEsents the Number elEvEN IN the decimaL or BaSe-10 numeRA.l sysTeM (TodAy, tHE moSt COmMOn sYstem glOballY), tHe nuMbEr three In THe BinaRy or base-2 numeraL System (Used iN mODeRn computeRs), and The numBeR two iN ThE uNary numeRal systEm (used in talLYInG scOres).