Your number, one digit away

One digit away

One change could reach Extreme.

Position 4: 6 → 4 · +201 points.

Gained: Palindrome, Only two distinct digits, Digit sum 21, 2 distinct digits, Quadruple digit.

Lost: Ascending segment, Digit sum 23, 3 distinct digits, Triple digit, Happy number.

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