my $uint16 = pack 'n', 1263;  # "\x12\x63"

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Or if you're asking for the binary representation of the number, 

my $bin = unpack 'B16', pack 'n', 1263;  # "0000010011101111"

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In reply to Re: Decmal to 16 bit binary number by ikegami
in thread Decmal to 16 bit binary number by isha

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