Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 2 → 1 · +179 points.

Gained: Triangular number, Binary palindrome, Digit sum 18, 4 distinct digits, Repeated digit.

Lost: Descending segment, Digit sum 19, Prime, Alternating parity, 5 distinct digits.

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