Your number, one digit away
One digit away
One change could reach Singular.
Your number
1,581
Exceptional · Top 1.80%
Position 3: 8 → 0 · +345 points.
Gained: Digit sum 7, Binary palindrome, Zigzag digits, Semiprime.
Lost: Digit sum 15, Happy number.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.