203

Number
$203$ (two hundred and three) is:


 * $7 \times 29$


 * The $33$rd happy number after $1, 7, 10, 13, 19, 23, \ldots, 130, 133, 139, 167, 176, 188, 190, 192, 193$:
 * $203 \to 2^2 + 0^2 + 3^2 = 4 + 0 + 9 = 13 \to 1^2 + 3^2 = 1 + 9 = 10 \to 1^2 + 0^2 = 1$