Your number, one digit away

One digit away

One change could reach Rare.

Your number

640,290

Standard · Top 68.3%

Best one-digit neighbour

640,210

Rare · Top 8.94%

Position 5: 9 → 1 · +123 points.

Gained: Digit sum 13, Descending segment.

Lost: Digit sum 21, Harshad number.

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