
Curios:
Curios Search:
Participate: 
GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) This number has 47 elements in its Hailstone sequence (also known as the 3x + 1 sequence). [Patterson] Digits sum to its smallest prime factor (247 = 13 x 19 and 2 + 4 + 7 = 13). [Hunter] The smallest 3digit brilliant number whose prime factors, 13, 19, concatenated in both orders create primes, i.e., 1319, 1913. [Loungrides]
(There are 4 curios for this number that have not yet been approved by an editor.)
Prime Curios! © 20002019 (all rights
reserved)
privacy statement
