Your number, one digit away

One digit away

One change could reach Extreme.

Your number

621,201

Notable · Top 33.1%

Best one-digit neighbour

321,201

Extreme · Top 0.15%

Position 1: 6 → 3 · +355 points.

Gained: Triangular number, Digit sum 9, Descending segment, Harshad number, Happy number.

Lost: Digit sum 12.

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