Your number, one digit away

One digit away

One change could reach Singular.

Position 1: 8 → 9 · +298 points.

Gained: Triangular number, 2 distinct digits, Digit sum 18, Harshad number, Repeated digit.

Lost: Digit sum 17, 3 distinct digits.

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