Your number, one digit away
One digit away
One change could reach Singular.
Your number
1,239
Exceptional · Top 1.11%
Position 4: 9 → 4 · +331 points.
Gained: Sequential ascending, Digit sum 10, Semiprime, Alternating parity.
Lost: Digit sum 15, Ascending segment.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.