Your number, one digit away
One digit away
One change could reach Extreme.
Your number
515,550
Rare · Top 6.22%
Position 6: 0 → 1 · +261 points.
Gained: Binary palindrome, Only two distinct digits, Digit sum 22, 2 distinct digits, Semiprime.
Lost: Digit sum 21, Harshad number, 3 distinct digits.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.