Natürliche Zahlen/Zählen/Systeme/Tabelle

	Strichsystem	Zehnersystem	Dreiersystem	Eurosystem
	${}0$	${}0$	${}0$	${}0$
	${}{|}$	${}1$	${}1$	${}1$
	${}{|}{|}$	${}2$	${}2$	${}10$
	${}{|}{|}{|}$	${}3$	${}10$	${}11$
	${}{|}{|}{|}{|}$	${}4$	${}11$	${}20$
	${}{|}{|}{|}{|}{|}$	${}5$	${}12$	${}100$
	${}{|}{|}{|}{|}{|}{|}$	${}6$	${}20$	${}101$
	${}{|}{|}{|}{|}{|}{|}{|}$	${}7$	${}21$	${}110$
	${}{|}{|}{|}{|}{|}{|}{|}{|}$	${}8$	${}22$	${}111$
	${}{|}{|}{|}{|}{|}{|}{|}{|}{|}$	${}9$	${}100$	${}120$
	${}{|}{|}{|}{|}{|}{|}{|}{|}{|}{|}$	${}10$	${}101$	${}1000$