Your number, one digit away

One digit away

One change could reach Singular.

Your number

631

Extreme · Top 0.23%

Best one-digit neighbour

231

Singular · Top 0.01%

Position 1: 6 → 2 · +349 points.

Gained: Digit sum 6, Triangular number, Binary palindrome.

Lost: Digit sum 10, Prime.

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