Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
81,521
Notable · Top 37.6%
Position 2: 1 → 3 · +150 points.
Gained: Perfect square, Digit sum 19, 5 distinct digits, Happy number.
Lost: Digit sum 17, Semiprime, 4 distinct digits, Repeated digit.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.