Your number, one digit away

One digit away

One change could reach Singular.

Your number

645

Extreme · Top 0.10%

Best one-digit neighbour

345

Singular · Top 0.04%

Position 1: 6 → 3 · +130 points.

Gained: Sequential ascending, Digit sum 12.

Lost: Binary palindrome, Digit sum 15, Harshad number.

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