Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
550,529
Standard · Top 66.8%
Position 1: 5 → 2 · +171 points.
Gained: Alternating parity, Digit sum 23, Semiprime, Double pair, Zigzag digits, Happy number.
Lost: Digit sum 26, Triple digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.