Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 5 → 4 · +231 points.

Gained: Palindrome, Only two distinct digits, Digit sum 22, 2 distinct digits, Harshad number, Quadruple digit.

Lost: Descending segment, Digit sum 23, 3 distinct digits, Triple digit.

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