Your number, one digit away
One digit away
One change could reach Extreme.
Your number
643,217
Exceptional · Top 3.61%
Position 5: 1 → 5 · +121 points.
Gained: Binary palindrome, Digit sum 27, Happy number.
Lost: Digit sum 23, Prime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.