Your number, one digit away
One digit away
One change could reach Singular.
Your number
9,521
Exceptional · Top 2.13%
Position 1: 9 → 1 · +277 points.
Gained: Perfect square, Digit sum 9, 3 distinct digits, Harshad number, Happy number, Repeated digit.
Lost: Digit sum 17, Prime, 4 distinct digits.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.