Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 8 → 7 · +110 points.

Gained: Triangular number, Digit sum 28, 5 distinct digits, Repeated digit.

Lost: Digit sum 29, 6 distinct digits, Harshad number.

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