Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 9 → 4 · +309 points.

Gained: Palindrome, Only two distinct digits, Digit sum 16, 2 distinct digits, Quadruple digit.

Lost: Digit sum 21, 3 distinct digits, Harshad number, Triple digit, Happy number.

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