Your number, one digit away
One digit away
One change could reach Extreme.
Your number
210,999
Exceptional · Top 4.49%
Position 4: 9 → 0 · +139 points.
Gained: Binary palindrome, Digit sum 21, Double pair, Happy number.
Lost: Adjacent digit run, Digit sum 30, Triple digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.