<colgroup><col style="mso-width-source:userset;mso-width-alt:3364;width:138pt" width="184"> <col style="mso-width-source:userset;mso-width-alt:5741;width:236pt" width="314"> <col style="mso-width-source:userset;mso-width-alt:8594;width:353pt" width="470"> <col style="width:191pt" width="254"> </colgroup><tbody>
[TD="class: xl72, width: 184"]Same results. Tried in 2 empty cells.
=ISNUMBER(A2)
[/TD]
[TD="class: xl67, width: 314"]A[/TD]
[TD="class: xl67, width: 470"]B[/TD]
[TD="class: xl71, width: 254"]=ISNUMBER(A2)[/TD]
[TD="class: xl67, width: 184"]1[/TD]
[TD="class: xl68, width: 314"]Original[/TD]
[TD="class: xl68, width: 470"]Converted[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl67, width: 184"]2[/TD]
[TD="class: xl69, width: 314"]116[/TD]
[TD="class: xl70"]=SUMPRODUCT(MOD(MID(A2,{1;2;3},1)+5,10)*{100;10;1})[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl67, width: 184"]3[/TD]
[TD="class: xl69, width: 314"]787[/TD]
[TD="class: xl69, width: 470"]232[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl67, width: 184"]4[/TD]
[TD="class: xl69, width: 314"]234[/TD]
[TD="class: xl69, width: 470"]789[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl67, width: 184"]5[/TD]
[TD="class: xl69, width: 314"]278[/TD]
[TD="class: xl69, width: 470"]723[/TD]
[TD="class: xl65"][/TD]
[TD="class: xl67, width: 184"]6[/TD]
[TD="class: xl69, width: 314"]109[/TD]
[TD="class: xl69, width: 470"]654[/TD]
[TD="class: xl65"][/TD]
</tbody>