Your number, one digit away
One digit away
One change could reach Singular.
Your number
4,021
Extreme · Top 0.26%
Position 2: 0 → 3 · +393 points.
Gained: Sequential descending, Binary palindrome, Digit sum 10, Semiprime, Alternating parity.
Lost: Digit sum 7, Prime, Zigzag digits.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.