Your number, one digit away
One digit away
One change could reach Extreme.
Your number
3,578
Rare · Top 5.30%
Position 4: 8 → 0 · +204 points.
Gained: Triangular number, Digit sum 15, Harshad number.
Lost: Digit sum 23, Semiprime.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.