Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
644,565
Rare · Top 8.15%
Position 2: 4 → 5 · +80 points.
Gained: Digit sum 31, Descending segment, Harshad number, Triple digit, Alternating parity.
Lost: Digit sum 30, Double pair.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.