Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
521,915
Notable · Top 42.3%
Position 2: 2 → 7 · +198 points.
Gained: Triangular number, Digit sum 28, Zigzag digits.
Lost: Digit sum 23, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.