Your number, one digit away
One digit away
One change could reach Extreme.
Your number
645,877
Distinct · Top 18.1%
Position 1: 6 → 3 · +219 points.
Gained: Binary palindrome, Ascending segment, Digit sum 34, Semiprime.
Lost: Digit sum 37, Prime, Happy number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.