Your number, one digit away
One digit away
One change could reach Singular.
Your number
656,161
Exceptional · Top 2.53%
Position 2: 5 → 1 · +280 points.
Gained: ABAB pattern, Only two distinct digits, Digit sum 21, 2 distinct digits, Harshad number.
Lost: Digit sum 25, 3 distinct digits, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.