\begin{tabularx}{\linewidth}{|R|R|R|RIR|}
	\hline
	\multicolumn{5}{|c|}{Primes and Highly Composite Numbers} \\
	\hline
	$10^x$ & Next Prime & Primes Below & Highly Composite & Divisors \\
	\hline
	1 & +1 & 4 & 6 & 4 \\
	2 & +1 & 25 & 60 & 12 \\
	3 & +9 & 168 & 840 & 32 \\
	4 & +7 & 1229 & 7560 & 64 \\
	5 & +3 & 9592 & 83160 & 128 \\
	6 & +3 & 78498 & 720720 & 240 \\
	7 & +19 & 664579 & 8648640 & 448 \\
	8 & +7 & 5761455 & 73513440 & 768 \\
	9 & +7 & 50847534 & 735134400 & 1344 \\
	10 & +19 & 455052511 & 6983776800 & 2304 \\
	11 & +3 & 4118054813 & 97772875200 & 4032 \\
	12 & +39 & \multirow{7}={$$\approx \frac{0.43 \cdot 10^x}{x}$$} & 963761198400 & 6720 \\
	13 & +37 & & 9316358251200 & 10752 \\
	14 & +31 & & 97821761637600 & 17280 \\
	15 & +37 & & 866421317361600 & 26880 \\
	16 & +61 & & 8086598962041600 & 41472 \\
	17 & +3 & & 74801040398884800 & 64512 \\
	18 & +3 & & 897612484786617600 & 103680 \\
	\hline
\end{tabularx}
