Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
421,678
Rare · Top 6.45%
Position 1: 4 → 3 · +28 points.
Gained: Digit sum 27, Descending segment, Harshad number, Alternating parity.
Lost: Digit sum 28, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.