Theorem 2 is close. https://www.scirp.org/pdf/apm_2022042815530891.pdf
Discussion
Very cool!
-80% of the numbers less than 10,000 can converge to palindromes within 4 steps;
-90% of the numbers can converge to palindromes within 7 steps
Theorem 2 is close. https://www.scirp.org/pdf/apm_2022042815530891.pdf
Very cool!
-80% of the numbers less than 10,000 can converge to palindromes within 4 steps;
-90% of the numbers can converge to palindromes within 7 steps