Your number, one digit away

One digit away

One change could reach Exceptional.

Your number

631,521

Standard · Top 83.4%

Best one-digit neighbour

634,521

Exceptional · Top 2.11%

Position 3: 1 → 4 · +215 points.

Gained: Ascending segment, Digit sum 21, 6 distinct digits, Semiprime, Alternating parity, Happy number.

Lost: Digit sum 18, 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.