Pande, Neeraj Anant. “Analysis of Successive Occurrence of Digit 3 in Prime Numbers till 1 Trillion”. International Journal Of Mathematics And Computer Research 4, no. 11 (November 19, 2016): 1691-1700. Accessed October 23, 2026. https://mail.ijmcr.in/index.php/ijmcr/article/view/88.