Prime Curios!: 208403

208403
(another Prime Pages' Curiosity)

Curios:

Index
Keywords
Home
Glossary
The book!
Previous
Next
Random

Curios Search:
Participate:

Mail Editor
Submit Curio
Prime Puzzio
Test Number

Single Curio View: (Seek other curios for this number)

The sum of the squares of the first 41 semiprimes is itself a 4-brilliant number (this being the first such solution). Note that 41 is the prime reversal of the semiprime 14, that 4-brilliant means the product of 4*1 primes of the same number of digits, and that 41 is one of those primes. [Post]

Submitted: 2004-10-25 18:49:43; Last Modified: 2008-01-30 11:28:00.