Your number, one digit away
One digit away
One change could reach Singular.
Your number
7,145
Exceptional · Top 2.45%
Position 1: 7 → 2 · +437 points.
Gained: Triangular number, Binary palindrome, Digit sum 12, Alternating parity.
Lost: Digit sum 17, Semiprime, Happy number.
35 legal neighbours · same digit length · no leading zeros. This describes an alternative number, not the odds of your next roll.