Your number, one digit away
One digit away
One change could reach Singular.
Your number
669
Extreme · Top 0.26%
Position 3: 9 → 6 · +584 points.
Gained: All digits identical, Triangular number, Palindrome, Digit sum 18, 1 distinct digit, Harshad number.
Lost: 2 distinct digits, Digit sum 21, Semiprime, Repeated digit.
26 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.