Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 5 → 2 · +239 points.

Gained: Triangular number, Digit sum 19, Alternating parity, Semiprime.

Lost: Digit sum 22, Prime.

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