Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
638,683
Distinct · Top 16.3%
Position 4: 6 → 3 · +125 points.
Gained: Alternating parity, Digit sum 31, Semiprime, Harshad number, Triple digit.
Lost: Digit sum 34, Double pair.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.