Your number, one digit away
One digit away
One change could reach Exceptional.
Your number
306,521
Notable · Top 27.5%
Position 1: 3 → 5 · +141 points.
Gained: Triangular number, Digit sum 19, 5 distinct digits, Harshad number, Happy number, Repeated digit.
Lost: Digit sum 17, 6 distinct digits, Semiprime.
53 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.