Your number, one digit away

One digit away

One change could reach Exceptional.

Your number

637,583

Notable · Top 34.7%

Best one-digit neighbour

636,583

Exceptional · Top 4.87%

Position 3: 7 → 6 · +105 points.

Gained: Alternating parity, Digit sum 31, Semiprime, Double pair, 4 distinct digits.

Lost: Digit sum 32, 5 distinct digits, Happy number, Repeated digit.

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