Your number, one digit away
One digit away
One change could reach Singular.
Your number
21,117
Exceptional · Top 3.45%
Position 5: 7 → 2 · +316 points.
Gained: Digit sum 7, Palindrome, Only two distinct digits, 2 distinct digits, Harshad number.
Lost: Digit sum 12, Semiprime, 3 distinct digits.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.