4007

This number is a prime.

+ The smallest "James Bond prime." Defined as any prime ending in 007. From PRIME NUMBERS: The Most Mysterious Figures in Math, by David Wells; John Wiley & Sons, Inc., 2005, p.228.

+ The only prime whose factorial ends with exactly one thousand 0's. [Beedassy]

+ The smallest five-digit Cyclops number (11011) is the sum of 4007 and its reverse (7004). [Gaydos]

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