Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
664,129
Standard · Top 62.5%
Position 2: 6 → 1 · +149 points.
Gained: Alternating parity, Digit sum 23, Prime, Happy number.
Lost: Digit sum 28, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.