Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
644,779
Notable · Top 29.0%
Position 5: 7 → 8 · +134 points.
Gained: Digit sum 38, Ascending segment, Prime, 5 distinct digits, Happy number, Repeated digit.
Lost: Digit sum 37, Semiprime, Double pair, 4 distinct digits.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.