3
The next number in the sequence is 480
The next number could be 26 The next number could be 12 - - - - - - - - - The next number that is in the sequence is 12.
381838 is one number: it does not describe a sequence.
One number is not sufficient to identify a sequence.
To get the next number in the sequence, you simply multiply by 26*2=1212*2=2424*2=4848*2=96
A single number, such as 171422, does not constitute a sequence.
A single number, such as 122.4832 does not constitute a sequence.
A single number, such as 2726101400, does not make a sequence.
The next number in the sequence will be 56.
Without a sequence given in the question, the next number to 6 is 7.