Your number, one digit away
One digit away
One change could reach Extreme.
Your number
21,345
Rare · Top 8.74%
Position 3: 3 → 8 · +249 points.
Gained: Hex repdigit, Digit sum 20, Binary palindrome, Zigzag digits.
Lost: Digit sum 15, Ascending segment, Harshad number.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.