338

Number
$338$ (three hundred and thirty-eight) is:


 * $2 \times 13^2$


 * The $54$th happy number after $1, 7, 10, 13, 19, 23, \ldots, 226, 230, 236, 239, 262, 263, 280, 291, 293, 301, 302, 310, 313, 319, 320, 326, 329, 331$:
 * $338 \to 3^2 + 3^2 + 8^2 = 9 + 9 + 64 = 82 \to 8^2 + 2^2 = 64 + 4 = 68 \to 6^2 + 8^2 = 36 + 64 = 100 \to 1^2 + 0^2 + 0^2 = 1$

Also see

 * No further elements of this sequence will be tabulated on .
 * No further elements of this sequence will be tabulated on .