223

Number
$223$ (two hundred and twenty-three) is:


 * The $48$th prime number


 * The $43$rd lucky number:
 * $1$, $3$, $7$, $9$, $13$, $15$, $21$, $\ldots$, $163$, $169$, $171$, $189$, $193$, $195$, $201$, $205$, $211$, $219$, $223$, $\ldots$


 * The $14$th integer after $7, 13, 19, 35, 38, 41, 57, 65, 70, 125, 130, 190, 205$ the decimal representation of whose square can be split into two parts which are each themselves square:
 * $223^2 = 49 \, 729; 49 = 7^2, 729 = 27^2$


 * The largest positive integer which cannot be expressed as the sum of less than $37$ positive fifth powers:
 * $223 = 31 \times 1^5 + 6 \times 2^5$


 * The $44$th positive integer $n$ such that no factorial of an integer can end with $n$ zeroes.

Also see

 * Largest Number not Expressible as Sum of Less than 37 Positive Fifth Powers