Number system convert in Javascript
const converter = require('numconverter')
// convert `1524234` from decimal system to 40-digit system
converter(1524234, 10, 40) // nwpy
// convert `33df89eedc4f` from hexadecimal to 62-digit system
converter('33df89eedc4f', 16, 62) // gc8sncxp