Your number, one digit away

One digit away

One change could reach Extreme.

Your number

649,878

Rare · Top 5.24%

Best one-digit neighbour

149,878

Extreme · Top 0.40%

Position 1: 6 → 1 · +167 points.

Gained: Triangular number, Digit sum 37, Alternating parity.

Lost: Digit sum 42, Happy number.

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