NumberLinePlot
NumberLinePlot[{v1,v2,…}] plots the values vi on a number line.
NumberLinePlot[pred,x] plots a number line illustrating the region pred.
NumberLinePlot[pred,{x,xmin,xmax}] plots the number to extend over the interval from xmin to xmax.
NumberLinePlot[{spec1,spec2,…},…] plots several number lines.
Please visit the official Wolfram Language Reference for more details and examples on core symbols.