Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
644,389
Standard · Top 51.5%
Position 4: 3 → 7 · +170 points.
Gained: Digit sum 38, Ascending segment, Prime, Happy number.
Lost: Digit sum 34, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.