Your number, one digit away

One digit away

One change could reach Singular.

Your number

648

Extreme · Top 0.92%

Best one-digit neighbour

678

Singular · Top 0.06%

Position 2: 4 → 7 · +273 points.

Gained: Sequential ascending, Digit sum 21.

Lost: Digit sum 18, Harshad number.

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