Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 3 → 1 · +237 points.

Gained: All ones in binary, Digit sum 18, Binary palindrome, 5 distinct digits, Happy number, Repeated digit.

Lost: Ascending segment, Digit sum 20, Semiprime, Double pair, 4 distinct digits.

53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.