Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
644,879
Notable · Top 27.5%
Position 3: 4 → 9 · +151 points.
Gained: Digit sum 43, Descending segment, Prime.
Lost: Digit sum 38, Semiprime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.