Migration complete - please let us know if anything isn't working.
This number is a composite.
The smallest number whose first two digits are distinct primes such that their sum equals the third digit. [Sladcik]
The smallest semiprime formed from the concatenation of first n prime numbers(case n=3). [Gupta]
(There are 2 curios for this number that have not yet been approved by an editor.)
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell