Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 9 → 2 · +212 points.

Gained: Triangular number, Digit sum 12, Quadruple digit, Adjacent digit run, 3 distinct digits.

Lost: Digit sum 19, Alternating parity, Triple digit, Harshad number, 4 distinct digits, Happy number.

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