Your number, one digit away
One digit away
One change could reach Extreme.
Your number
663,909
Notable · Top 38.8%
Position 2: 6 → 9 · +218 points.
Gained: Binary palindrome, Digit sum 36, Zigzag digits, Triple digit.
Lost: Digit sum 33, Semiprime, Double pair.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.