Your number, one digit away
One digit away
One change could reach Extreme.
Your number
664,720
Standard · Top 98.5%
Position 2: 6 → 5 · +330 points.
Gained: Highly divisible, Descending segment, Digit sum 24, 6 distinct digits, Harshad number, Happy number.
Lost: Digit sum 25, 5 distinct digits, Repeated digit.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.