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This number is a prime.
The smallest prime of the form 59n + 1.
The smallest prime whose cube is the sum of three prime cubes: 709^3 is 193^3 + 461^3 + 631^3. [Rivera]
709 ones followed by 709 is prime. [Wilson]
The smallest emirp whose binary representation
(10110001012) is also an emirp in base ten. [Beedassy]
The number on General Esperanza's cargo plane in the movie "Die Hard 2."
709 equals p(p(p(p(p(p(p(1))))))), where p(n) is the nth
prime number. [Keith]
The sum of the first six Honaker numbers. [Whitt]
The first Cyclops emirp formed in the decimal expansion of
61307 and the reversal of the 61307th prime number have the
same sum of divisors. i.e., 709. [Gaydos]
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell