Your number, one digit away

One digit away

One change could reach Extreme.

Your number

423,210

Rare · Top 7.49%

Best one-digit neighbour

123,210

Extreme · Top 0.76%

Position 1: 4 → 1 · +137 points.

Gained: Digit sum 9, Ascending segment, Double pair, Harshad number, Alternating parity, 4 distinct digits, Happy number.

Lost: Digit sum 12, 5 distinct digits, Repeated digit.

53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.