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Septillion vs Yottaton - What's the difference?

septillion | yottaton |

As a numeral septillion

is (US; modern British & Australian, short scale) A trillion trillion: 1 followed by 24 zeros, 1024.

As a noun yottaton is

a measure of the strength of an explosion or a bomb based on how many septillion tons of TNT would be needed to produce the same energy.

septillion

English

Numeral

(head)
  • (US; modern British & Australian, ) A trillion trillion: 1 followed by 24 zeros, 1024.
  • (dated British & Australian, ) A billion quintillion: 1 followed by 42 zeros, 1042.

    • See also

    * (short and long scale) Previous': sextillion. ' Next : octillion.

    Synonyms

    * 1024: a quadrillion * 1042: a tredecillion

    Anagrams

    * English cardinal numbers

    yottaton

    English

    Noun

    (en noun)
  • A measure of the strength of an explosion or a bomb based on how many septillion tons of TNT would be needed to produce the same energy.