Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 8 → 1 · +312 points.

Gained: Binary palindrome, Ascending segment, Digit sum 23, Prime, 5 distinct digits, Repeated digit.

Lost: Digit sum 30, 6 distinct digits, Happy number.

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