Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
640,587
Standard · Top 58.7%
Position 2: 4 → 3 · +149 points.
Gained: Alternating parity, Digit sum 29, Prime.
Lost: Digit sum 30, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.