Your number, one digit away
One digit away
One change could reach Singular.
Your number
4,520
Exceptional · Top 3.36%
Position 4: 0 → 9 · +281 points.
Gained: Binary palindrome, Alternating parity, Digit sum 20, Semiprime, Zigzag digits.
Lost: Digit sum 11.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.