143
(another Prime Pages' Curiosity)
Prime Curios!
Curios: Curios Search:
 
Participate:
+ The last 143 digits of 143143 form a prime number. [De Geest]

+ The smallest number which is bi-prime brilliant in all radices from 2 to 10. [Hartley]

+ The number of three-digit primes. [Patterson]

+ 100^143 - 143 is prime. Note that 143 is the second number with this property. [Firoozbakht]

+ The smallest tnaillirb, i.e., a brilliant number whose reversal is a different brilliant number. This is a special subset of emirpimes, with only 102 examples below 100000. [Post]




Prime Curios! © 1999-2009 (all rights reserved)