Your number, one digit away

One digit away

One change could reach Singular.

Your number

22,121

Extreme · Top 0.45%

Best one-digit neighbour

12,121

Singular · Top <0.01%

Position 1: 2 → 1 · +431 points.

Gained: ABAB pattern, Digit sum 7, Palindrome, Alternating parity, Zigzag digits.

Lost: Digit sum 8, Semiprime.

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