Your number, one digit away
One digit away
One change could reach Extreme.
Your number
686,999
Exceptional · Top 1.59%
Position 2: 8 → 9 · +136 points.
Gained: Digit sum 48, Only two distinct digits, 2 distinct digits, Semiprime, Quadruple digit.
Lost: Digit sum 47, 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.