In numerology, the level of numbers beyond single ciphers is that of compound numbers (double numbers).  All numbers which are not single digit integers are compound numbers.  Every number above 9, therefore, is a compound number.  These compound numbers form the roots of the nine basic numbers and are extremely important in determining the 'color' of the basic number or "crown" giving it qualities different from another identical basic number.
   
For example, the number '5' is one of the nine basic numbers but all 5s are not the same, just as all shades of blue, red or green are not the same.  Therefore, they cannot all be 'read' as the same when analyzing a numerology chart.  The number 5, as all basic numbers, is comprised of ten binary or two number roots.  The ten binary roots of the number 5 are:

Binary Roots of the Number Five:  14      23       32      41      50      59      68      77      86      95

As we can see, the sets of compound numbers comprising the roots of the number 5 are all different and, therefore, give different qualities to the number 5 making every number 5 different from other 5s but still similar to all 5s because they are of the same specie, the same color,  so to speak.  A person may say he is a 5 Expression or has a 5 Lifepath, for example, which is good for a start, but  exactly what kind of 5 is he? A 23/5 (2 + 3 = 5)  and 32/5 ( 3 + 2 = 5) pair of Five individuals will be similar because their crown 5s are both comprised of the numbers 2 and 3, but they will be totally different from a 77/5 (7 + 7 = 14 > 1 + 4 = 5). The former pair will have a propensity to be gregarious and party-loving but the 77/5 has none of this energy in him. His freedom and movement (attributes of the 5 in general) are concentrated in thought and in all things internal, giving him a quick, deep and mercurial mind, quite unlike the 23/5 and the 32/5 which love their freedom to socialize, talk, party and have fun. They, however, do not have the capacity of mental depth and understanding of the 77/5. Therefore, it is critical to understand the roots of numbers, in this case double numbers, when assessing characteristics, conditions and circumstances. As we can see, not all 5s are the same. Quite the contrary, and certainly not all 5s are party animals - an incorrect attribute generally associated with the single 5 cipher. The 5 has a reputation for being free and fun but this is as a result of the 23 and 32 five binary roots. The 77/5 tells a totally different story. The moral of reading numbers, therefore, is: single ciphers do not tell the whole story of an individual or his life. We must know the root structures of single numbers, too.

Compound roots may also be trinary or ternary--composed of three numbers, quadrinary--composed of four numbers--and so on.  It is critical to understand the composition of roots because the roots determine the color, hue and intensity of the basic, simple number.  Following is a list of the nine basic numbers and their ten binary root structures.