Your number, one digit away

One digit away

One change could reach Rare.

Your number

640,784

Standard · Top 78.8%

Best one-digit neighbour

640,789

Rare · Top 5.03%

Position 6: 4 → 9 · +162 points.

Gained: Ascending segment, Digit sum 34, 6 distinct digits, Semiprime.

Lost: Digit sum 29, 5 distinct digits, Harshad number, Repeated digit.

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