Why is it easier to convert numbers from binary to hexadecimal than decimal to hexadecimal?

A binary number system has two states '0' '1' for a long Word in bits it can be as follows 101010101010101010101011 intimidating RIGHT? it can be represented in groups of 3 bits in octal 10/010/101/010/101/010/101/011= 22525253 digital or in group of 4 bits as 10/1010/1010/1010/1010/1010 = 2AAAAA

111 =7 octal 1111=f F in hexadecimal numbers 1000 =8 1010 =10 or A