Your number, one digit away

One digit away

One change could reach Extreme.

Your number

721,337

Notable · Top 26.8%

Best one-digit neighbour

321,337

Extreme · Top 0.29%

Position 1: 7 → 3 · +279 points.

Gained: Binary palindrome, Descending segment, Digit sum 19, Triple digit, Semiprime.

Lost: Digit sum 23, Prime, Double pair.

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