number/digit: 2^{(2×5/3) }= 8×(2^{(1/3))}.

Culturally important. This is the base for the so-called 'binary' prefixes ("kibi-", "mebi-", etc.). By switching to this base, "ki'o"/"kilto" might (in some Lojban dialects) refer to one thousand twenty-four (id est: 'kibi'); if we denote this number by "b" (for "binary" and "base"), then "ki'o"/"kilto" would (in those dialects) refer to b^{3 }= (2^{(2×5/3))}= 2^{(2×5) }= 1024 (in decimal notation); likewise for any other standard 'binary' prefix (ones which refer to a numeric coefficient of form 2^{(2×5n)} for nonzero integer n). In any case, "bi'ei zei kilto" would probably refer to such a value.