Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
644,161
Notable · Top 47.6%
Position 2: 4 → 1 · +197 points.
Gained: Digit sum 19, Alternating parity, Semiprime, Zigzag digits, Triple digit, Happy number.
Lost: Digit sum 22, Double pair.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.