Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
636,591
Notable · Top 37.1%
Position 5: 9 → 4 · +130 points.
Gained: Descending segment, Digit sum 25, Prime, Alternating parity.
Lost: Digit sum 30, Zigzag digits, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.