Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 0 → 1 · +247 points.

Gained: Triangular number, Digit sum 12, Ascending segment, Double pair, Harshad number, Happy number.

Lost: Digit sum 11, Adjacent digit run, Triple digit.

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