Your number, one digit away

One digit away

One change could reach Extreme.

Position 6: 2 → 7 · +138 points.

Gained: Binary palindrome, Digit sum 23, Semiprime, 5 distinct digits, Repeated digit.

Lost: Digit sum 18, Triple digit, Harshad number, 4 distinct digits, Happy number.

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