The book is now available! 496
(another Prime Pages' Curiosity)
Prime Curios!

Valid HTML 4.01!

Curios: Curios Search:
 

Participate:
Share
GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest triangular number such that the sum of its digits cubed is prime. Note that 496 is the third perfect number. [Earls]

+ 496 is equal to the alternating sum and difference of the squares of the integers from 1 to 496's largest prime factor. [Ohlson]

+ 496^496 + 496! + 496/496 is a 1337-digit prime. [Firoozbakht]

+ The smallest perfect number such that the sum of its digits is prime: 4 + 9 + 6 = 19. [Pol]

+ The only 3-digit number whose the sum of the reciprocals of its divisors is the only even prime. [Loungrides]

(There are 3 curios for this number that have not yet been approved by an editor.)




Prime Curios! © 2000-2019 (all rights reserved)  privacy statement   (This page was generated in 0.0251 seconds.)