Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
111: | \[{19^{111}-1\over18}\] | 3 × 127 × 149 × 223 × 1613497 × 5200884133<10> × 3588174588084451<16> × 21406757809476033811281103559<29> × 98918321488381663684842786916140757<35> × 601747857487647752841552735084217713871<39> |