Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
820,419
Notable · Top 40.9%
Position 2: 2 → 5 · +155 points.
Gained: Binary palindrome, Digit sum 27, Harshad number.
Lost: Digit sum 24, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.