Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 2 → 7 · +182 points.

Gained: Triangular number, Alternating parity, Digit sum 21, 5 distinct digits, Harshad number, Repeated digit.

Lost: Digit sum 16, Semiprime, Double pair, 4 distinct digits.

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