Your number, one digit away

One digit away

One change could reach Exceptional.

Position 4: 3 → 9 · +129 points.

Gained: Binary palindrome, Digit sum 37, Prime.

Lost: Descending segment, Digit sum 31, Semiprime.

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