Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
21,654
Rare · Top 5.55%
Position 5: 4 → 3 · +62 points.
Gained: Binary palindrome, Digit sum 17, Semiprime.
Lost: Digit sum 18, Descending segment, Alternating parity, Harshad number, Happy number.
44 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.