Your number, one digit away
One digit away
One change could reach Extreme.
Your number
6,621
Exceptional · Top 1.24%
Position 2: 6 → 1 · +190 points.
Gained: Digit sum 10, Alternating parity, Prime, Zigzag digits.
Lost: Digit sum 15, Semiprime.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.