This has the strange habit of printing twice. If there are 18 elements I'll get 1818; 20 elements begets 2020.
No matter what I pass into your program from the command line, I can not reproduce that result. Please show the exact command line you use to get that result. Also, post the contents of the hash using: 
use Data::Dumper;
print Dumper(\%randList);

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On a side note, this: 

foreach my $key (keys %randList) {
    push(@numList, $key);
}

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can be simplified to this: 
@numList = keys %randList;

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In reply to Re: Bizarre hash/array [size,length,whatever-you-want-to-call-it] output by toolic
in thread Bizarre hash/array [size,length,whatever-you-want-to-call-it] output by theillien1

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