Your number, one digit away

One digit away

One change could reach Singular.

Your number

21,512

Extreme · Top 0.33%

Best one-digit neighbour

21,212

Singular · Top <0.01%

Position 3: 5 → 2 · +392 points.

Gained: ABAB pattern, Digit sum 8, Only two distinct digits, 2 distinct digits, Alternating parity, Triple digit.

Lost: Digit sum 11, 3 distinct digits, Double pair.

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