Your number, one digit away

One digit away

One change could reach Exceptional.

Your number

643,641

Standard · Top 78.8%

Best one-digit neighbour

143,641

Exceptional · Top 1.15%

Position 1: 6 → 1 · +249 points.

Gained: Perfect square, Digit sum 19, Happy number, Semiprime.

Lost: Digit sum 24.

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