Your number, one digit away
One digit away
One change could reach Extreme.
Your number
637,501
Notable · Top 38.4%
Position 3: 7 → 4 · +291 points.
Gained: Triangular number, Ascending segment, Digit sum 19, Alternating parity.
Lost: Digit sum 22, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.