About 80% of all numbers under 10,000 resolve into a palindrome in four or fewer steps; about 90% of those resolve in seven steps or fewer.
About 90% of those resolve in seven steps or fewer. About 80% of all numbers under 10,000 resolve into a palindrome in four or fewer steps.
About 80% of all numbers under 10,000 resolve into a palindrome in four or fewer steps. About 90% of those resolve in seven steps or fewer.
About 80% of all numbers under 10,000 resolve into a palindrome in four or fewer steps. About 90% of those resolve in seven steps or fewer.