Your number, one digit away

One digit away

One change could reach Exceptional.

Your number

644,520

Standard · Top 71.8%

Best one-digit neighbour

641,520

Exceptional · Top 1.67%

Position 3: 4 → 1 · +220 points.

Gained: Highly divisible, Digit sum 18, 6 distinct digits, Harshad number.

Lost: Digit sum 21, 5 distinct digits, Repeated digit.

53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.