Your number, one digit away

One digit away

One change could reach Extreme.

Your number

21,529

Rare · Top 9.23%

Best one-digit neighbour

21,029

Extreme · Top 0.29%

Position 3: 5 → 0 · +225 points.

Gained: Binary palindrome, Digit sum 14, Descending segment, Semiprime.

Lost: Digit sum 19, Prime, Zigzag digits.

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