Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
644,965
Notable · Top 36.3%
Position 2: 4 → 5 · +114 points.
Gained: Descending segment, Digit sum 35, Alternating parity, Happy number.
Lost: Digit sum 34, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.