Your number, one digit away
One digit away
One change could reach Extreme.
Your number
409,521
Standard · Top 51.5%
Position 5: 2 → 7 · +249 points.
Gained: Binary palindrome, Digit sum 26, Zigzag digits, Semiprime.
Lost: Digit sum 21, Harshad number.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.