We just completed a major update. Let us know if anything is not working.
421
This number is a prime.
Single Curio View: (Seek other curios for this number)
Kepler-421b has the longest year—that is, it has the
longest orbital period around its star—for any exoplanet
yet seen crossing in front of its star. [Plait]
Submitted: 2018-12-28 22:10:58; Last Modified: 2018-12-28 22:33:10.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell