The book is now available! 1427
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:

+ The smallest four-digit prime such that the following form is also prime: 1427 + 1427 + 1427. [Patterson]

+ The smallest increasing concatenation of 1^1 then 2^2 then...then n^n that is prime, starting with 1. [Patterson]

+ The smallest prime starting with a composite number and followed by its prime factors. [Firoozbakht]

+ There are exactly 1427 amicable pairs whose members have ten or less digits. Note that 1427 itself belongs both to a twin prime pair (1427, 1429) and to a cousin prime pair (1423, 1427). [Beedassy]

+ The admission number of the celebrated French poet Arthur Rimbaud to the "Hôpital de la Conception" (Marseille), where he had the right leg amputated for osteosarcoma. [Olry]

(There are 2 curios for this number that have not yet been approved by an editor.)

Prime Curios! © 2000-2018 (all rights reserved)  privacy statement