Your number, one digit away

One digit away

One change could reach Extreme.

Your number

666,878

Exceptional · Top 4.00%

Best one-digit neighbour

666,678

Extreme · Top 1.00%

Position 4: 8 → 6 · +85 points.

Gained: Quadruple digit, Digit sum 39, Ascending segment.

Lost: Digit sum 41, Semiprime, Triple digit.

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