Your number, one digit away
One digit away
One change could reach Extreme.
Your number
638,309
Notable · Top 27.5%
Position 2: 3 → 7 · +318 points.
Gained: Binary palindrome, Ascending segment, Digit sum 33, 6 distinct digits, Semiprime, Happy number.
Lost: Digit sum 29, 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.