Your number, one digit away
One digit away
One change could reach Extreme.
Your number
399,871
Exceptional · Top 3.80%
Position 4: 8 → 1 · +192 points.
Gained: Triangular number, Binary palindrome, Digit sum 30, Double pair, 4 distinct digits.
Lost: Digit sum 37, Descending segment, Prime, 5 distinct digits, Repeated digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.