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Nonillion vs. Octillion

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Nonillionnumeral

1030.

Octillionnumeral

A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 1027.

Nonillionnumeral

(dated British & Australian, long scale) 1054.

Octillionnumeral

A trillion quintillion: 1 followed by 48 zeros, 1048.

Nonillionnoun

(hyperbole) An unspecified very large number.

Octillionnoun

According to the French method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See Numeration.

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Nonillionnoun

According to the French and American notation, a thousand octillions, or a unit with thirty ciphers annexed; according to the English notation, a million octillions, or a unit with fifty-four ciphers annexed. See the Note under Numeration.

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