Your number, one digit away

One digit away

One change could reach Extreme.

Position 3: 7 → 3 · +154 points.

Gained: Binary palindrome, Digit sum 27, 5 distinct digits, Harshad number, Happy number.

Lost: Descending segment, Digit sum 31, 4 distinct digits, Repeated digit.

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