Your number, one digit away
One digit away
One change could reach Rare.
Your number
644,857
Notable · Top 32.4%
Position 2: 4 → 7 · +91 points.
Gained: Digit sum 37, Zigzag digits, Happy number.
Lost: Digit sum 34.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.