Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
550,949
Notable · Top 40.9%
Position 1: 5 → 4 · +163 points.
Gained: Alternating parity, Digit sum 31, Prime, Zigzag digits, Happy number.
Lost: Digit sum 32, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.