Your number, one digit away

One digit away

One change could reach Extreme.

Position 1: 7 → 3 · +289 points.

Gained: Binary palindrome, Digit sum 15, 3 distinct digits, Zigzag digits, Harshad number, Repeated digit.

Lost: Digit sum 19, Semiprime, 4 distinct digits.

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