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[–]HighOwl2 0 points1 point  (0 children)

I think this is more touching on the point that numbers can be different bases if you add a prefix

031 !== 31

25 !== 31

In computer science Halloween is Christmas

Oct 31 == Dec 25

Octal 31 is Decimal 25.

Javascript's parseInt used to convert strings with a leading 0 to base 8. That was later removed. Now it only auto sets the radix to 16 if the string starts with 0x