Your number, one digit away
One digit away
One change could reach Extreme.
Your number
21,721
Distinct · Top 20.7%
Position 3: 7 → 3 · +363 points.
Gained: Triangular number, Digit sum 9, Descending segment, Harshad number, Happy number.
Lost: Digit sum 13.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.