Your number, one digit away
One digit away
One change could reach Extreme.
Your number
4,279
Rare · Top 5.03%
Position 4: 9 → 8 · +167 points.
Gained: Triangular number, Digit sum 21, Happy number.
Lost: Digit sum 22, Semiprime.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.