noun
- the number represented by 1 followed by 42 zeros in the US system, or by 1 followed by 78 zeros in the British system
Usage: mathematics
Examples
- A tredecillion is an astronomically large number rarely used outside of theoretical mathematics.
- The national debt would need to reach a tredecillion dollars before that number became relevant.
- Scientists estimated there might be a tredecillion atoms in the observable universe.
- The calculator couldn’t display numbers as large as a tredecillion.
- In American notation, a tredecillion has 42 zeros after the 1.
- The concept of a tredecillion helps illustrate the vastness of mathematical infinity.