Your number, one digit away
One digit away
One change could reach Extreme.
Your number
677,999
Exceptional · Top 1.30%
Position 3: 7 → 9 · +125 points.
Gained: Digit sum 49, Quadruple digit, Prime, Happy number.
Lost: Digit sum 47, Semiprime, Triple digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.