Your number, one digit away
One digit away
One change could reach Rare.
Your number
640,487
Standard · Top 60.1%
Position 3: 0 → 9 · +137 points.
Gained: Digit sum 38, Prime, Zigzag digits, Happy number.
Lost: Digit sum 29, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.