### Definition of Septillion

1. Noun. The number that is represented as a one followed by 24 zeros.

### Definition of Septillion

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

### Definition of Septillion

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

2. Cardinal numeral. (''dated British & Australian, long scale'') A billion quintillion: 1 followed by 42 zeros, 1042. ¹

¹ Source: wiktionary.com

1. [n -S]

### Septillion Pictures

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### Lexicographical Neighbors of Septillion

 septicitiessepticitysepticksepticopyaemiasepticopyaemicsepticssepticæmiasepticæmiassepticæmiæseptifarious septiferousseptifoliousseptiformseptifragalseptilateralseptillion (current term)septillionfoldseptillionsseptillionthseptillionths septimalseptimateseptimatedseptimatesseptimationseptimeseptimesseptimetritisseptimoleseptimoles

### Literary usage of Septillion

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Practical Arithmetic by George Payn Quackenbos, George Roberts Perkins (1874)
"475 decillion, 200 nonillion, 84 octillion, 7 septillion, ... fourteen septillion, two hundred and eleven quadrillion, thirteen trillion, five hundred and ..."

2. The Normal Higher Arithmetic: Designed for Common Schools, High Schools by Edward Brooks (1877)
"What is the difference between 5 septillion 10 sextil- lion 3 quintillion, expressed in ... Ans. 5 septillion 10 sextillion 2 quintillion 999994 quadrillion ..."