Your number, one digit away

One digit away

One digit, +427 points.

Your number

646

Singular · Top 0.07%

Best one-digit neighbour

666

Singular · Top <0.01%

Position 2: 4 → 6 · +427 points.

Gained: All digits identical, Triangular number, Digit sum 18, 1 distinct digit, Harshad number.

Lost: 2 distinct digits, Digit sum 16, Repeated digit.

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