Your number, one digit away
One digit away
One change could reach Singular.
Your number
212,171
Exceptional · Top 3.23%
Position 5: 7 → 2 · +380 points.
Gained: ABAB pattern, Digit sum 9, Only two distinct digits, 2 distinct digits, Alternating parity, Harshad number.
Lost: Digit sum 14, 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.