Your number, one digit away
One digit away
One change could reach Extreme.
Your number
647,669
Notable · Top 44.6%
Position 2: 4 → 5 · +251 points.
Gained: Binary palindrome, Digit sum 39, Semiprime, Happy number.
Lost: Digit sum 38.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.