G5806 - Strong's Greek Lexicon Number

Strong's:

Synonyms
See Definition for allos { [G243]}
See Definition for eteros { [G2087]}

243 as compared with 2087 denotes numerical in distinction from
qualitative differences? 243 adds (' one besides'), 2087 distinguishes
(' one of two')? every 2087 is an 243 but not every 243 is a 2087?
243 generally denotes simple distinction of individuals, 2087 involves
the secondary idea of difference of kind.