bronto byte (BB)

Bronto (B) is the prefix for a 27- digit decimal number 1,000,000,000,000,000,000,000, in exponential notation it is: `10^27`. One brontobyte(BB) is equal to 1,024 yottabytes(YB) and 1,024 brontobytes are equal to one geopbyte.

Unlike all other mathematical prefixes, the prefix Bronto is not defined in the Système International( SI).