What is the most appropriate center for 27 142 145 146 154 162 / 12592106/70400e23? utm_source=registration

27 142 145 146 154 162

27 is definitely an outlier. You could temporarily drop it and focus on

{142 145 146 154 162}. The median of this 5-numeral set is 146; it'd be a good "center." So would the mean (142 + 145 + 146 + 154 + 162) / 5. No one value shows up more than once, so forget about "mode."