Your number, one digit away

One digit away

One change could reach Extreme.

Your number

663,876

Exceptional · Top 4.57%

Best one-digit neighbour

763,876

Extreme · Top 0.27%

Position 1: 6 → 7 · +192 points.

Gained: Perfect square, Digit sum 37, Double pair, Alternating parity.

Lost: Digit sum 36, Triple digit, Harshad number, Happy number.

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