Your number, one digit away

One digit away

One change could reach Extreme.

Position 5: 7 → 3 · +342 points.

Gained: Triangular number, Binary palindrome, Digit sum 21, 4 distinct digits, Harshad number, Repeated digit.

Lost: Digit sum 25, Prime, 5 distinct digits.

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