193

Number
$193$ (one hundred and ninety-three) is:


 * The $44$th prime number


 * The $2$nd of the $14$th pair of twin primes, with $191$


 * The $37$th lucky number:
 * $1, 3, 7, 9, 13, 15, 21, \ldots, 133, 135, 141, 151, 159, 163, 169, 171, 189, 193, \ldots$