Luca, FlorianOdjoumani, JaphetTogbé, Alan2022-04-222022-04-222019Luca, F., Odjoumani, J., Togbé, A. (2019). Pell factoriangular numbers. Pg 1-8. https://doi.org/10.2298/PIM1919093Lhttp://hdl.handle.net/123456789/1422Luca and Gómez-Ruiz [8], proved that the only Fibonacci factoriangular numbers are 2, 5 and 34. This settled a conjecture of Castillo from [3]. In this paper, we prove the following related result.We show that the only Pell numbers which are factoriangular are 2, 5 and 12.enfactoriangular numberPell numbersArticle