No they are not the same.
Isomers are compounds with the same molecular formula but different chemical structures.
We have already considered the 2 isomers of butane Look at pentane. If two chains of equal length are present, choose the one with the more branch points as the parent. Name each substituent group and assign it a number. If there are 2 substituents on the same carbon, they both get the same number. Alkyl Groups - alkanes in which a hydrogen has been replaced by another group.