429

This number is a composite.

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

The sphenic number 429 (or 3*11*13) can be written as a symmetrical sum of seven palindromic primes (5+7+11+383+11+7+5). Note that 31113 is palindromic. [Worrom]

Submitted: 2022-02-21 19:19:02; Last Modified: 2022-02-21 20:27:55.