Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 4 → 2 · +250 points.

Gained: Palindrome, Only two distinct digits, Digit sum 16, 2 distinct digits, Happy number.

Lost: Digit sum 18, Harshad number, 3 distinct digits.

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