3 ms·
It also works with no zeros, or all sorts of other number of zeros. Dude basically just added zeros until the number got cooler.
by idiotsecant 2y ago
It also works with no zeros, or all sorts of other number of zeros. Dude basically just added zeros until the number got cooler.
- shagie 2y agoThe palindromic Belphegor numbers https://oeis.org/A232449 https://oeis.org/A232449 Indices of Belphegor primes: numbers k such that the decimal number https://oeis.org/A232448 https://oeis.org/A232448