Your number, one digit away

One digit away

One change could reach Singular.

Your number

12,191

Exceptional · Top 3.23%

Best one-digit neighbour

12,121

Singular · Top <0.01%

Position 4: 9 → 2 · +562 points.

Gained: ABAB pattern, Digit sum 7, Palindrome, Only two distinct digits, 2 distinct digits, Alternating parity.

Lost: Digit sum 14, 3 distinct digits, Semiprime.

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